Home / 318,623.52-477,795.05-168,829.28

Finding the Fourth Proportional to 318,623.52, 477,795.05 and 168,829.28

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Solution

The fourth proportional to 318,623.52, 477,795.05 and 168,829.28 is: 253,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,623.52 : 477,795.05 = 168,829.28 : x
  2. Step 2: Convert to fraction form
    318,623.52/477,795.05 = 168,829.28/x
  3. Step 3: Cross multiply
    318,623.52x = 477,795.05 × 168,829.28
  4. Step 4: Simplify right side
    318,623.52x = 80,665,794,279.06
  5. Step 5: Solve for x
    x = 80,665,794,279.06/318,623.52
  6. Step 6: Final answer
    x = 253,169.62

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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.