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Finding the Fourth Proportional to 243,754.38, 336,374.91 and 134,862.84

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Solution

The fourth proportional to 243,754.38, 336,374.91 and 134,862.84 is: 186,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,754.38 : 336,374.91 = 134,862.84 : x
  2. Step 2: Convert to fraction form
    243,754.38/336,374.91 = 134,862.84/x
  3. Step 3: Cross multiply
    243,754.38x = 336,374.91 × 134,862.84
  4. Step 4: Simplify right side
    243,754.38x = 45,364,475,667.34
  5. Step 5: Solve for x
    x = 45,364,475,667.34/243,754.38
  6. Step 6: Final answer
    x = 186,107.33

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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.