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Finding the Fourth Proportional to 243,668.58, 336,264.75 and 134,771.10

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Solution

The fourth proportional to 243,668.58, 336,264.75 and 134,771.10 is: 185,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,668.58 : 336,264.75 = 134,771.10 : x
  2. Step 2: Convert to fraction form
    243,668.58/336,264.75 = 134,771.10/x
  3. Step 3: Cross multiply
    243,668.58x = 336,264.75 × 134,771.10
  4. Step 4: Simplify right side
    243,668.58x = 45,318,770,248.73
  5. Step 5: Solve for x
    x = 45,318,770,248.73/243,668.58
  6. Step 6: Final answer
    x = 185,985.28

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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.