Home / 457,327.36-686,026.59-137,454.31

Finding the Fourth Proportional to 457,327.36, 686,026.59 and 137,454.31

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Solution

The fourth proportional to 457,327.36, 686,026.59 and 137,454.31 is: 206,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,327.36 : 686,026.59 = 137,454.31 : x
  2. Step 2: Convert to fraction form
    457,327.36/686,026.59 = 137,454.31/x
  3. Step 3: Cross multiply
    457,327.36x = 686,026.59 × 137,454.31
  4. Step 4: Simplify right side
    457,327.36x = 94,297,311,570.10
  5. Step 5: Solve for x
    x = 94,297,311,570.10/457,327.36
  6. Step 6: Final answer
    x = 206,192.15

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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.