Home / 284,327.28-392,371.64-157,003.12

Finding the Fourth Proportional to 284,327.28, 392,371.64 and 157,003.12

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Solution

The fourth proportional to 284,327.28, 392,371.64 and 157,003.12 is: 216,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,327.28 : 392,371.64 = 157,003.12 : x
  2. Step 2: Convert to fraction form
    284,327.28/392,371.64 = 157,003.12/x
  3. Step 3: Cross multiply
    284,327.28x = 392,371.64 × 157,003.12
  4. Step 4: Simplify right side
    284,327.28x = 61,603,571,679.52
  5. Step 5: Solve for x
    x = 61,603,571,679.52/284,327.28
  6. Step 6: Final answer
    x = 216,664.30

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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.