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Finding the Fourth Proportional to 243,915.41, 365,873.12 and 160,789.97

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Solution

The fourth proportional to 243,915.41, 365,873.12 and 160,789.97 is: 241,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,915.41 : 365,873.12 = 160,789.97 : x
  2. Step 2: Convert to fraction form
    243,915.41/365,873.12 = 160,789.97/x
  3. Step 3: Cross multiply
    243,915.41x = 365,873.12 × 160,789.97
  4. Step 4: Simplify right side
    243,915.41x = 58,828,727,988.61
  5. Step 5: Solve for x
    x = 58,828,727,988.61/243,915.41
  6. Step 6: Final answer
    x = 241,184.96

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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.