Home / 276,047.24-380,898.54-155,172.44

Finding the Fourth Proportional to 276,047.24, 380,898.54 and 155,172.44

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Solution

The fourth proportional to 276,047.24, 380,898.54 and 155,172.44 is: 214,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,047.24 : 380,898.54 = 155,172.44 : x
  2. Step 2: Convert to fraction form
    276,047.24/380,898.54 = 155,172.44/x
  3. Step 3: Cross multiply
    276,047.24x = 380,898.54 × 155,172.44
  4. Step 4: Simplify right side
    276,047.24x = 59,104,953,939.74
  5. Step 5: Solve for x
    x = 59,104,953,939.74/276,047.24
  6. Step 6: Final answer
    x = 214,111.74

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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.