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Finding the Fourth Proportional to 557,672.99, 836,507.76 and 158,314.03

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Solution

The fourth proportional to 557,672.99, 836,507.76 and 158,314.03 is: 237,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,672.99 : 836,507.76 = 158,314.03 : x
  2. Step 2: Convert to fraction form
    557,672.99/836,507.76 = 158,314.03/x
  3. Step 3: Cross multiply
    557,672.99x = 836,507.76 × 158,314.03
  4. Step 4: Simplify right side
    557,672.99x = 132,430,911,926.93
  5. Step 5: Solve for x
    x = 132,430,911,926.93/557,672.99
  6. Step 6: Final answer
    x = 237,470.55

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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.