Home / 289,363.27-433,694.99-149,045.35

Finding the Fourth Proportional to 289,363.27, 433,694.99 and 149,045.35

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Solution

The fourth proportional to 289,363.27, 433,694.99 and 149,045.35 is: 223,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,363.27 : 433,694.99 = 149,045.35 : x
  2. Step 2: Convert to fraction form
    289,363.27/433,694.99 = 149,045.35/x
  3. Step 3: Cross multiply
    289,363.27x = 433,694.99 × 149,045.35
  4. Step 4: Simplify right side
    289,363.27x = 64,640,220,832.57
  5. Step 5: Solve for x
    x = 64,640,220,832.57/289,363.27
  6. Step 6: Final answer
    x = 223,387.79

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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.