Home / 402,845.94-604,269.05-103,326.52

Finding the Fourth Proportional to 402,845.94, 604,269.05 and 103,326.52

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Solution

The fourth proportional to 402,845.94, 604,269.05 and 103,326.52 is: 154,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,845.94 : 604,269.05 = 103,326.52 : x
  2. Step 2: Convert to fraction form
    402,845.94/604,269.05 = 103,326.52/x
  3. Step 3: Cross multiply
    402,845.94x = 604,269.05 × 103,326.52
  4. Step 4: Simplify right side
    402,845.94x = 62,437,018,080.21
  5. Step 5: Solve for x
    x = 62,437,018,080.21/402,845.94
  6. Step 6: Final answer
    x = 154,989.82

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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.