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Finding the Fourth Proportional to 253,659.44, 350,030.76 and 140,479.76

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Solution

The fourth proportional to 253,659.44, 350,030.76 and 140,479.76 is: 193,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,659.44 : 350,030.76 = 140,479.76 : x
  2. Step 2: Convert to fraction form
    253,659.44/350,030.76 = 140,479.76/x
  3. Step 3: Cross multiply
    253,659.44x = 350,030.76 × 140,479.76
  4. Step 4: Simplify right side
    253,659.44x = 49,172,237,157.42
  5. Step 5: Solve for x
    x = 49,172,237,157.42/253,659.44
  6. Step 6: Final answer
    x = 193,851.40

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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.