Home / 477,130.20-715,695.30-228,298.20

Finding the Fourth Proportional to 477,130.20, 715,695.30 and 228,298.20

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Solution

The fourth proportional to 477,130.20, 715,695.30 and 228,298.20 is: 342,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,130.20 : 715,695.30 = 228,298.20 : x
  2. Step 2: Convert to fraction form
    477,130.20/715,695.30 = 228,298.20/x
  3. Step 3: Cross multiply
    477,130.20x = 715,695.30 × 228,298.20
  4. Step 4: Simplify right side
    477,130.20x = 163,391,948,738.46
  5. Step 5: Solve for x
    x = 163,391,948,738.46/477,130.20
  6. Step 6: Final answer
    x = 342,447.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.