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Finding the Fourth Proportional to 356,731.44, 534,814.87 and 176,689.40

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Solution

The fourth proportional to 356,731.44, 534,814.87 and 176,689.40 is: 264,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,731.44 : 534,814.87 = 176,689.40 : x
  2. Step 2: Convert to fraction form
    356,731.44/534,814.87 = 176,689.40/x
  3. Step 3: Cross multiply
    356,731.44x = 534,814.87 × 176,689.40
  4. Step 4: Simplify right side
    356,731.44x = 94,496,118,491.38
  5. Step 5: Solve for x
    x = 94,496,118,491.38/356,731.44
  6. Step 6: Final answer
    x = 264,894.28

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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.