Home / 460,700.12-691,085.16-156,999.89

Finding the Fourth Proportional to 460,700.12, 691,085.16 and 156,999.89

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Solution

The fourth proportional to 460,700.12, 691,085.16 and 156,999.89 is: 235,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,700.12 : 691,085.16 = 156,999.89 : x
  2. Step 2: Convert to fraction form
    460,700.12/691,085.16 = 156,999.89/x
  3. Step 3: Cross multiply
    460,700.12x = 691,085.16 × 156,999.89
  4. Step 4: Simplify right side
    460,700.12x = 108,500,290,645.21
  5. Step 5: Solve for x
    x = 108,500,290,645.21/460,700.12
  6. Step 6: Final answer
    x = 235,511.75

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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.