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Finding the Fourth Proportional to 495,514.86, 743,383.05 and 158,575.71

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Solution

The fourth proportional to 495,514.86, 743,383.05 and 158,575.71 is: 237,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,514.86 : 743,383.05 = 158,575.71 : x
  2. Step 2: Convert to fraction form
    495,514.86/743,383.05 = 158,575.71/x
  3. Step 3: Cross multiply
    495,514.86x = 743,383.05 × 158,575.71
  4. Step 4: Simplify right side
    495,514.86x = 117,882,494,955.72
  5. Step 5: Solve for x
    x = 117,882,494,955.72/495,514.86
  6. Step 6: Final answer
    x = 237,899.01

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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.