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Finding the Fourth Proportional to 557,613.69, 836,416.89 and 158,254.71

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Solution

The fourth proportional to 557,613.69, 836,416.89 and 158,254.71 is: 237,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,613.69 : 836,416.89 = 158,254.71 : x
  2. Step 2: Convert to fraction form
    557,613.69/836,416.89 = 158,254.71/x
  3. Step 3: Cross multiply
    557,613.69x = 836,416.89 × 158,254.71
  4. Step 4: Simplify right side
    557,613.69x = 132,366,912,366.05
  5. Step 5: Solve for x
    x = 132,366,912,366.05/557,613.69
  6. Step 6: Final answer
    x = 237,381.03

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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.