Home / 403,073.28-556,225.92-224,236.80

Finding the Fourth Proportional to 403,073.28, 556,225.92 and 224,236.80

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Solution

The fourth proportional to 403,073.28, 556,225.92 and 224,236.80 is: 309,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,073.28 : 556,225.92 = 224,236.80 : x
  2. Step 2: Convert to fraction form
    403,073.28/556,225.92 = 224,236.80/x
  3. Step 3: Cross multiply
    403,073.28x = 556,225.92 × 224,236.80
  4. Step 4: Simplify right side
    403,073.28x = 124,726,320,377.86
  5. Step 5: Solve for x
    x = 124,726,320,377.86/403,073.28
  6. Step 6: Final answer
    x = 309,438.32

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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.