Home / 284,232.12-392,223.36-156,900.12

Finding the Fourth Proportional to 284,232.12, 392,223.36 and 156,900.12

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Solution

The fourth proportional to 284,232.12, 392,223.36 and 156,900.12 is: 216,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,232.12 : 392,223.36 = 156,900.12 : x
  2. Step 2: Convert to fraction form
    284,232.12/392,223.36 = 156,900.12/x
  3. Step 3: Cross multiply
    284,232.12x = 392,223.36 × 156,900.12
  4. Step 4: Simplify right side
    284,232.12x = 61,539,892,250.80
  5. Step 5: Solve for x
    x = 61,539,892,250.80/284,232.12
  6. Step 6: Final answer
    x = 216,512.80

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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.