Home / 329,864.08-494,402.40-180,142

Finding the Fourth Proportional to 329,864.08, 494,402.40 and 180,142

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Solution

The fourth proportional to 329,864.08, 494,402.40 and 180,142 is: 269,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,864.08 : 494,402.40 = 180,142 : x
  2. Step 2: Convert to fraction form
    329,864.08/494,402.40 = 180,142/x
  3. Step 3: Cross multiply
    329,864.08x = 494,402.40 × 180,142
  4. Step 4: Simplify right side
    329,864.08x = 89,062,637,140.80
  5. Step 5: Solve for x
    x = 89,062,637,140.80/329,864.08
  6. Step 6: Final answer
    x = 269,997.99

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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.