Home / 519,418.11-779,247.20-164,432.13

Finding the Fourth Proportional to 519,418.11, 779,247.20 and 164,432.13

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Solution

The fourth proportional to 519,418.11, 779,247.20 and 164,432.13 is: 246,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,418.11 : 779,247.20 = 164,432.13 : x
  2. Step 2: Convert to fraction form
    519,418.11/779,247.20 = 164,432.13/x
  3. Step 3: Cross multiply
    519,418.11x = 779,247.20 × 164,432.13
  4. Step 4: Simplify right side
    519,418.11x = 128,133,276,892.54
  5. Step 5: Solve for x
    x = 128,133,276,892.54/519,418.11
  6. Step 6: Final answer
    x = 246,686.19

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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.