Home / 433,148.60-649,815.61-129,566.58

Finding the Fourth Proportional to 433,148.60, 649,815.61 and 129,566.58

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Solution

The fourth proportional to 433,148.60, 649,815.61 and 129,566.58 is: 194,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,148.60 : 649,815.61 = 129,566.58 : x
  2. Step 2: Convert to fraction form
    433,148.60/649,815.61 = 129,566.58/x
  3. Step 3: Cross multiply
    433,148.60x = 649,815.61 × 129,566.58
  4. Step 4: Simplify right side
    433,148.60x = 84,194,386,218.31
  5. Step 5: Solve for x
    x = 84,194,386,218.31/433,148.60
  6. Step 6: Final answer
    x = 194,377.60

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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.