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Finding the Fourth Proportional to 256,047.73, 353,512.30 and 229,143.98

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Solution

The fourth proportional to 256,047.73, 353,512.30 and 229,143.98 is: 316,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,047.73 : 353,512.30 = 229,143.98 : x
  2. Step 2: Convert to fraction form
    256,047.73/353,512.30 = 229,143.98/x
  3. Step 3: Cross multiply
    256,047.73x = 353,512.30 × 229,143.98
  4. Step 4: Simplify right side
    256,047.73x = 81,005,215,400.95
  5. Step 5: Solve for x
    x = 81,005,215,400.95/256,047.73
  6. Step 6: Final answer
    x = 316,367.64

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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.