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Finding the Fourth Proportional to 491,393.20, 737,089.38 and 136,407.07

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Solution

The fourth proportional to 491,393.20, 737,089.38 and 136,407.07 is: 204,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,393.20 : 737,089.38 = 136,407.07 : x
  2. Step 2: Convert to fraction form
    491,393.20/737,089.38 = 136,407.07/x
  3. Step 3: Cross multiply
    491,393.20x = 737,089.38 × 136,407.07
  4. Step 4: Simplify right side
    491,393.20x = 100,544,202,653.92
  5. Step 5: Solve for x
    x = 100,544,202,653.92/491,393.20
  6. Step 6: Final answer
    x = 204,610.49

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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.