Home / 289,232.20-433,666.05-120,869.65

Finding the Fourth Proportional to 289,232.20, 433,666.05 and 120,869.65

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Solution

The fourth proportional to 289,232.20, 433,666.05 and 120,869.65 is: 181,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,232.20 : 433,666.05 = 120,869.65 : x
  2. Step 2: Convert to fraction form
    289,232.20/433,666.05 = 120,869.65/x
  3. Step 3: Cross multiply
    289,232.20x = 433,666.05 × 120,869.65
  4. Step 4: Simplify right side
    289,232.20x = 52,417,063,680.38
  5. Step 5: Solve for x
    x = 52,417,063,680.38/289,232.20
  6. Step 6: Final answer
    x = 181,228.31

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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.