Home / 289,229.30-433,552.35-131,570.90

Finding the Fourth Proportional to 289,229.30, 433,552.35 and 131,570.90

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Solution

The fourth proportional to 289,229.30, 433,552.35 and 131,570.90 is: 197,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,229.30 : 433,552.35 = 131,570.90 : x
  2. Step 2: Convert to fraction form
    289,229.30/433,552.35 = 131,570.90/x
  3. Step 3: Cross multiply
    289,229.30x = 433,552.35 × 131,570.90
  4. Step 4: Simplify right side
    289,229.30x = 57,042,872,886.62
  5. Step 5: Solve for x
    x = 57,042,872,886.62/289,229.30
  6. Step 6: Final answer
    x = 197,223.70

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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.