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Finding the Fourth Proportional to 272,340.16, 408,521.22 and 94,865.11

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Solution

The fourth proportional to 272,340.16, 408,521.22 and 94,865.11 is: 142,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,340.16 : 408,521.22 = 94,865.11 : x
  2. Step 2: Convert to fraction form
    272,340.16/408,521.22 = 94,865.11/x
  3. Step 3: Cross multiply
    272,340.16x = 408,521.22 × 94,865.11
  4. Step 4: Simplify right side
    272,340.16x = 38,754,410,472.63
  5. Step 5: Solve for x
    x = 38,754,410,472.63/272,340.16
  6. Step 6: Final answer
    x = 142,301.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.