Home / 284,110.65-392,082.11-155,056.18

Finding the Fourth Proportional to 284,110.65, 392,082.11 and 155,056.18

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Solution

The fourth proportional to 284,110.65, 392,082.11 and 155,056.18 is: 213,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,110.65 : 392,082.11 = 155,056.18 : x
  2. Step 2: Convert to fraction form
    284,110.65/392,082.11 = 155,056.18/x
  3. Step 3: Cross multiply
    284,110.65x = 392,082.11 × 155,056.18
  4. Step 4: Simplify right side
    284,110.65x = 60,794,753,447.66
  5. Step 5: Solve for x
    x = 60,794,753,447.66/284,110.65
  6. Step 6: Final answer
    x = 213,982.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.