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Finding the Fourth Proportional to 557,670.74, 836,504.38 and 158,311.78

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Solution

The fourth proportional to 557,670.74, 836,504.38 and 158,311.78 is: 237,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,670.74 : 836,504.38 = 158,311.78 : x
  2. Step 2: Convert to fraction form
    557,670.74/836,504.38 = 158,311.78/x
  3. Step 3: Cross multiply
    557,670.74x = 836,504.38 × 158,311.78
  4. Step 4: Simplify right side
    557,670.74x = 132,428,495,482.23
  5. Step 5: Solve for x
    x = 132,428,495,482.23/557,670.74
  6. Step 6: Final answer
    x = 237,467.18

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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.