Home / 218,948.80-328,423.20-159,073.60

Finding the Fourth Proportional to 218,948.80, 328,423.20 and 159,073.60

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Solution

The fourth proportional to 218,948.80, 328,423.20 and 159,073.60 is: 238,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,948.80 : 328,423.20 = 159,073.60 : x
  2. Step 2: Convert to fraction form
    218,948.80/328,423.20 = 159,073.60/x
  3. Step 3: Cross multiply
    218,948.80x = 328,423.20 × 159,073.60
  4. Step 4: Simplify right side
    218,948.80x = 52,243,460,747.52
  5. Step 5: Solve for x
    x = 52,243,460,747.52/218,948.80
  6. Step 6: Final answer
    x = 238,610.40

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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.