Home / 251,820.16-377,669.76-74,278.96

Finding the Fourth Proportional to 251,820.16, 377,669.76 and 74,278.96

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Solution

The fourth proportional to 251,820.16, 377,669.76 and 74,278.96 is: 111,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,820.16 : 377,669.76 = 74,278.96 : x
  2. Step 2: Convert to fraction form
    251,820.16/377,669.76 = 74,278.96/x
  3. Step 3: Cross multiply
    251,820.16x = 377,669.76 × 74,278.96
  4. Step 4: Simplify right side
    251,820.16x = 28,052,916,996.25
  5. Step 5: Solve for x
    x = 28,052,916,996.25/251,820.16
  6. Step 6: Final answer
    x = 111,400.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.