Home / 292,749.12-403,995.24-158,613.12

Finding the Fourth Proportional to 292,749.12, 403,995.24 and 158,613.12

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Solution

The fourth proportional to 292,749.12, 403,995.24 and 158,613.12 is: 218,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,749.12 : 403,995.24 = 158,613.12 : x
  2. Step 2: Convert to fraction form
    292,749.12/403,995.24 = 158,613.12/x
  3. Step 3: Cross multiply
    292,749.12x = 403,995.24 × 158,613.12
  4. Step 4: Simplify right side
    292,749.12x = 64,078,945,481.55
  5. Step 5: Solve for x
    x = 64,078,945,481.55/292,749.12
  6. Step 6: Final answer
    x = 218,886.89

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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.