Home / 521,864.55-782,550.09-202,166.16

Finding the Fourth Proportional to 521,864.55, 782,550.09 and 202,166.16

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Solution

The fourth proportional to 521,864.55, 782,550.09 and 202,166.16 is: 303,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,864.55 : 782,550.09 = 202,166.16 : x
  2. Step 2: Convert to fraction form
    521,864.55/782,550.09 = 202,166.16/x
  3. Step 3: Cross multiply
    521,864.55x = 782,550.09 × 202,166.16
  4. Step 4: Simplify right side
    521,864.55x = 158,205,146,702.95
  5. Step 5: Solve for x
    x = 158,205,146,702.95/521,864.55
  6. Step 6: Final answer
    x = 303,153.66

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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.