Home / 279,160.68-418,916.04-146,147.40

Finding the Fourth Proportional to 279,160.68, 418,916.04 and 146,147.40

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Solution

The fourth proportional to 279,160.68, 418,916.04 and 146,147.40 is: 219,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,160.68 : 418,916.04 = 146,147.40 : x
  2. Step 2: Convert to fraction form
    279,160.68/418,916.04 = 146,147.40/x
  3. Step 3: Cross multiply
    279,160.68x = 418,916.04 × 146,147.40
  4. Step 4: Simplify right side
    279,160.68x = 61,223,490,064.30
  5. Step 5: Solve for x
    x = 61,223,490,064.30/279,160.68
  6. Step 6: Final answer
    x = 219,312.73

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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.