Home / 488,669.10-732,744.45-173,136.30

Finding the Fourth Proportional to 488,669.10, 732,744.45 and 173,136.30

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Solution

The fourth proportional to 488,669.10, 732,744.45 and 173,136.30 is: 259,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,669.10 : 732,744.45 = 173,136.30 : x
  2. Step 2: Convert to fraction form
    488,669.10/732,744.45 = 173,136.30/x
  3. Step 3: Cross multiply
    488,669.10x = 732,744.45 × 173,136.30
  4. Step 4: Simplify right side
    488,669.10x = 126,864,662,918.54
  5. Step 5: Solve for x
    x = 126,864,662,918.54/488,669.10
  6. Step 6: Final answer
    x = 259,612.61

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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.