Home / 368,414,939.73-508,405,667.07-225,350,176.76

Finding the Fourth Proportional to 368,414,939.73, 508,405,667.07 and 225,350,176.76

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Solution

The fourth proportional to 368,414,939.73, 508,405,667.07 and 225,350,176.76 is: 310,978,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,414,939.73 : 508,405,667.07 = 225,350,176.76 : x
  2. Step 2: Convert to fraction form
    368,414,939.73/508,405,667.07 = 225,350,176.76/x
  3. Step 3: Cross multiply
    368,414,939.73x = 508,405,667.07 × 225,350,176.76
  4. Step 4: Simplify right side
    368,414,939.73x = 114,569,306,941,281,216
  5. Step 5: Solve for x
    x = 114,569,306,941,281,216/368,414,939.73
  6. Step 6: Final answer
    x = 310,978,992.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.