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Finding the Fourth Proportional to 243,726.62, 336,336.45 and 134,828.13

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Solution

The fourth proportional to 243,726.62, 336,336.45 and 134,828.13 is: 186,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,726.62 : 336,336.45 = 134,828.13 : x
  2. Step 2: Convert to fraction form
    243,726.62/336,336.45 = 134,828.13/x
  3. Step 3: Cross multiply
    243,726.62x = 336,336.45 × 134,828.13
  4. Step 4: Simplify right side
    243,726.62x = 45,347,614,604.34
  5. Step 5: Solve for x
    x = 45,347,614,604.34/243,726.62
  6. Step 6: Final answer
    x = 186,059.35

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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.