Home / 218,721.90-328,082.85-152,366.70

Finding the Fourth Proportional to 218,721.90, 328,082.85 and 152,366.70

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Solution

The fourth proportional to 218,721.90, 328,082.85 and 152,366.70 is: 228,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,721.90 : 328,082.85 = 152,366.70 : x
  2. Step 2: Convert to fraction form
    218,721.90/328,082.85 = 152,366.70/x
  3. Step 3: Cross multiply
    218,721.90x = 328,082.85 × 152,366.70
  4. Step 4: Simplify right side
    218,721.90x = 49,988,901,181.10
  5. Step 5: Solve for x
    x = 49,988,901,181.10/218,721.90
  6. Step 6: Final answer
    x = 228,550.05

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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.