Home / 389,935.13-584,902.71-140,617.13

Finding the Fourth Proportional to 389,935.13, 584,902.71 and 140,617.13

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Solution

The fourth proportional to 389,935.13, 584,902.71 and 140,617.13 is: 210,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,935.13 : 584,902.71 = 140,617.13 : x
  2. Step 2: Convert to fraction form
    389,935.13/584,902.71 = 140,617.13/x
  3. Step 3: Cross multiply
    389,935.13x = 584,902.71 × 140,617.13
  4. Step 4: Simplify right side
    389,935.13x = 82,247,337,484.91
  5. Step 5: Solve for x
    x = 82,247,337,484.91/389,935.13
  6. Step 6: Final answer
    x = 210,925.70

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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.