Home / 396,200.48-546,854.22-243,275.31

Finding the Fourth Proportional to 396,200.48, 546,854.22 and 243,275.31

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Solution

The fourth proportional to 396,200.48, 546,854.22 and 243,275.31 is: 335,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,200.48 : 546,854.22 = 243,275.31 : x
  2. Step 2: Convert to fraction form
    396,200.48/546,854.22 = 243,275.31/x
  3. Step 3: Cross multiply
    396,200.48x = 546,854.22 × 243,275.31
  4. Step 4: Simplify right side
    396,200.48x = 133,036,129,895.31
  5. Step 5: Solve for x
    x = 133,036,129,895.31/396,200.48
  6. Step 6: Final answer
    x = 335,779.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.