Home / 219,279.78-302,613.36-134,380.44

Finding the Fourth Proportional to 219,279.78, 302,613.36 and 134,380.44

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Solution

The fourth proportional to 219,279.78, 302,613.36 and 134,380.44 is: 185,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,279.78 : 302,613.36 = 134,380.44 : x
  2. Step 2: Convert to fraction form
    219,279.78/302,613.36 = 134,380.44/x
  3. Step 3: Cross multiply
    219,279.78x = 302,613.36 × 134,380.44
  4. Step 4: Simplify right side
    219,279.78x = 40,665,316,466.68
  5. Step 5: Solve for x
    x = 40,665,316,466.68/219,279.78
  6. Step 6: Final answer
    x = 185,449.46

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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.