Home / 292,514.20-438,771.30-126,302.20

Finding the Fourth Proportional to 292,514.20, 438,771.30 and 126,302.20

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Solution

The fourth proportional to 292,514.20, 438,771.30 and 126,302.20 is: 189,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,514.20 : 438,771.30 = 126,302.20 : x
  2. Step 2: Convert to fraction form
    292,514.20/438,771.30 = 126,302.20/x
  3. Step 3: Cross multiply
    292,514.20x = 438,771.30 × 126,302.20
  4. Step 4: Simplify right side
    292,514.20x = 55,417,780,486.86
  5. Step 5: Solve for x
    x = 55,417,780,486.86/292,514.20
  6. Step 6: Final answer
    x = 189,453.30

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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.