Home / 372,006.20-557,966.10-105,807.80

Finding the Fourth Proportional to 372,006.20, 557,966.10 and 105,807.80

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Solution

The fourth proportional to 372,006.20, 557,966.10 and 105,807.80 is: 158,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,006.20 : 557,966.10 = 105,807.80 : x
  2. Step 2: Convert to fraction form
    372,006.20/557,966.10 = 105,807.80/x
  3. Step 3: Cross multiply
    372,006.20x = 557,966.10 × 105,807.80
  4. Step 4: Simplify right side
    372,006.20x = 59,037,165,515.58
  5. Step 5: Solve for x
    x = 59,037,165,515.58/372,006.20
  6. Step 6: Final answer
    x = 158,699.41

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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.