Home / 278,294.23-384,046.14-157,432.96

Finding the Fourth Proportional to 278,294.23, 384,046.14 and 157,432.96

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Solution

The fourth proportional to 278,294.23, 384,046.14 and 157,432.96 is: 217,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,294.23 : 384,046.14 = 157,432.96 : x
  2. Step 2: Convert to fraction form
    278,294.23/384,046.14 = 157,432.96/x
  3. Step 3: Cross multiply
    278,294.23x = 384,046.14 × 157,432.96
  4. Step 4: Simplify right side
    278,294.23x = 60,461,520,596.77
  5. Step 5: Solve for x
    x = 60,461,520,596.77/278,294.23
  6. Step 6: Final answer
    x = 217,257.54

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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.