Home / 288,726.08-433,162.85-120,190.38

Finding the Fourth Proportional to 288,726.08, 433,162.85 and 120,190.38

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Solution

The fourth proportional to 288,726.08, 433,162.85 and 120,190.38 is: 180,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,726.08 : 433,162.85 = 120,190.38 : x
  2. Step 2: Convert to fraction form
    288,726.08/433,162.85 = 120,190.38/x
  3. Step 3: Cross multiply
    288,726.08x = 433,162.85 × 120,190.38
  4. Step 4: Simplify right side
    288,726.08x = 52,062,006,942.43
  5. Step 5: Solve for x
    x = 52,062,006,942.43/288,726.08
  6. Step 6: Final answer
    x = 180,316.26

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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.