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Finding the Fourth Proportional to 277,159.08, 382,474.20 and 156,298.20

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Solution

The fourth proportional to 277,159.08, 382,474.20 and 156,298.20 is: 215,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,159.08 : 382,474.20 = 156,298.20 : x
  2. Step 2: Convert to fraction form
    277,159.08/382,474.20 = 156,298.20/x
  3. Step 3: Cross multiply
    277,159.08x = 382,474.20 × 156,298.20
  4. Step 4: Simplify right side
    277,159.08x = 59,780,029,006.44
  5. Step 5: Solve for x
    x = 59,780,029,006.44/277,159.08
  6. Step 6: Final answer
    x = 215,688.51

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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.