Home / 288,728.08-433,165.85-120,192.38

Finding the Fourth Proportional to 288,728.08, 433,165.85 and 120,192.38

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Solution

The fourth proportional to 288,728.08, 433,165.85 and 120,192.38 is: 180,319.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,728.08 : 433,165.85 = 120,192.38 : x
  2. Step 2: Convert to fraction form
    288,728.08/433,165.85 = 120,192.38/x
  3. Step 3: Cross multiply
    288,728.08x = 433,165.85 × 120,192.38
  4. Step 4: Simplify right side
    288,728.08x = 52,063,234,446.22
  5. Step 5: Solve for x
    x = 52,063,234,446.22/288,728.08
  6. Step 6: Final answer
    x = 180,319.26

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1.5x scale

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.