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Finding the Fourth Proportional to 342,279.44, 472,200.99 and 229,138.64

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Solution

The fourth proportional to 342,279.44, 472,200.99 and 229,138.64 is: 316,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,279.44 : 472,200.99 = 229,138.64 : x
  2. Step 2: Convert to fraction form
    342,279.44/472,200.99 = 229,138.64/x
  3. Step 3: Cross multiply
    342,279.44x = 472,200.99 × 229,138.64
  4. Step 4: Simplify right side
    342,279.44x = 108,199,492,494.64
  5. Step 5: Solve for x
    x = 108,199,492,494.64/342,279.44
  6. Step 6: Final answer
    x = 316,114.50

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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.