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Finding the Fourth Proportional to 228,294.88, 342,432.48 and 59,811.49

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Solution

The fourth proportional to 228,294.88, 342,432.48 and 59,811.49 is: 89,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,294.88 : 342,432.48 = 59,811.49 : x
  2. Step 2: Convert to fraction form
    228,294.88/342,432.48 = 59,811.49/x
  3. Step 3: Cross multiply
    228,294.88x = 342,432.48 × 59,811.49
  4. Step 4: Simplify right side
    228,294.88x = 20,481,396,853.20
  5. Step 5: Solve for x
    x = 20,481,396,853.20/228,294.88
  6. Step 6: Final answer
    x = 89,714.66

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1.5x scale

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.