Home / 284,076.28-392,026.38-156,755.56

Finding the Fourth Proportional to 284,076.28, 392,026.38 and 156,755.56

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Solution

The fourth proportional to 284,076.28, 392,026.38 and 156,755.56 is: 216,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,076.28 : 392,026.38 = 156,755.56 : x
  2. Step 2: Convert to fraction form
    284,076.28/392,026.38 = 156,755.56/x
  3. Step 3: Cross multiply
    284,076.28x = 392,026.38 × 156,755.56
  4. Step 4: Simplify right side
    284,076.28x = 61,452,314,731.67
  5. Step 5: Solve for x
    x = 61,452,314,731.67/284,076.28
  6. Step 6: Final answer
    x = 216,323.29

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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.