Home / 344,785.50-517,080.24-145,151.28

Finding the Fourth Proportional to 344,785.50, 517,080.24 and 145,151.28

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Solution

The fourth proportional to 344,785.50, 517,080.24 and 145,151.28 is: 217,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,785.50 : 517,080.24 = 145,151.28 : x
  2. Step 2: Convert to fraction form
    344,785.50/517,080.24 = 145,151.28/x
  3. Step 3: Cross multiply
    344,785.50x = 517,080.24 × 145,151.28
  4. Step 4: Simplify right side
    344,785.50x = 75,054,858,698.71
  5. Step 5: Solve for x
    x = 75,054,858,698.71/344,785.50
  6. Step 6: Final answer
    x = 217,685.66

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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.