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Finding the Fourth Proportional to 247,527, 341,558.85 and 138,616.14

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Solution

The fourth proportional to 247,527, 341,558.85 and 138,616.14 is: 191,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,527 : 341,558.85 = 138,616.14 : x
  2. Step 2: Convert to fraction form
    247,527/341,558.85 = 138,616.14/x
  3. Step 3: Cross multiply
    247,527x = 341,558.85 × 138,616.14
  4. Step 4: Simplify right side
    247,527x = 47,345,569,369.84
  5. Step 5: Solve for x
    x = 47,345,569,369.84/247,527
  6. Step 6: Final answer
    x = 191,274.36

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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.