Home / 389,965.14-584,946.17-123,746.41

Finding the Fourth Proportional to 389,965.14, 584,946.17 and 123,746.41

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Solution

The fourth proportional to 389,965.14, 584,946.17 and 123,746.41 is: 185,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,965.14 : 584,946.17 = 123,746.41 : x
  2. Step 2: Convert to fraction form
    389,965.14/584,946.17 = 123,746.41/x
  3. Step 3: Cross multiply
    389,965.14x = 584,946.17 × 123,746.41
  4. Step 4: Simplify right side
    389,965.14x = 72,384,988,580.75
  5. Step 5: Solve for x
    x = 72,384,988,580.75/389,965.14
  6. Step 6: Final answer
    x = 185,619.13

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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.