Home / 215,899.20-323,848.80-176,500.80

Finding the Fourth Proportional to 215,899.20, 323,848.80 and 176,500.80

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Solution

The fourth proportional to 215,899.20, 323,848.80 and 176,500.80 is: 264,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,899.20 : 323,848.80 = 176,500.80 : x
  2. Step 2: Convert to fraction form
    215,899.20/323,848.80 = 176,500.80/x
  3. Step 3: Cross multiply
    215,899.20x = 323,848.80 × 176,500.80
  4. Step 4: Simplify right side
    215,899.20x = 57,159,572,279.04
  5. Step 5: Solve for x
    x = 57,159,572,279.04/215,899.20
  6. Step 6: Final answer
    x = 264,751.20

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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.