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Finding the Fourth Proportional to 253,627.88, 350,017.47 and 140,450.63

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Solution

The fourth proportional to 253,627.88, 350,017.47 and 140,450.63 is: 193,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,627.88 : 350,017.47 = 140,450.63 : x
  2. Step 2: Convert to fraction form
    253,627.88/350,017.47 = 140,450.63/x
  3. Step 3: Cross multiply
    253,627.88x = 350,017.47 × 140,450.63
  4. Step 4: Simplify right side
    253,627.88x = 49,160,172,422.42
  5. Step 5: Solve for x
    x = 49,160,172,422.42/253,627.88
  6. Step 6: Final answer
    x = 193,827.96

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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.