Home / 387,462.36-581,160.51-134,677.95

Finding the Fourth Proportional to 387,462.36, 581,160.51 and 134,677.95

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Solution

The fourth proportional to 387,462.36, 581,160.51 and 134,677.95 is: 202,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,462.36 : 581,160.51 = 134,677.95 : x
  2. Step 2: Convert to fraction form
    387,462.36/581,160.51 = 134,677.95/x
  3. Step 3: Cross multiply
    387,462.36x = 581,160.51 × 134,677.95
  4. Step 4: Simplify right side
    387,462.36x = 78,269,506,107.75
  5. Step 5: Solve for x
    x = 78,269,506,107.75/387,462.36
  6. Step 6: Final answer
    x = 202,005.44

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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.