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Finding the Fourth Proportional to 497,021.20, 745,920.60 and 230,814.70

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Solution

The fourth proportional to 497,021.20, 745,920.60 and 230,814.70 is: 346,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,021.20 : 745,920.60 = 230,814.70 : x
  2. Step 2: Convert to fraction form
    497,021.20/745,920.60 = 230,814.70/x
  3. Step 3: Cross multiply
    497,021.20x = 745,920.60 × 230,814.70
  4. Step 4: Simplify right side
    497,021.20x = 172,169,439,512.82
  5. Step 5: Solve for x
    x = 172,169,439,512.82/497,021.20
  6. Step 6: Final answer
    x = 346,402.61

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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.