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Finding the Fourth Proportional to 503,609.40, 755,195.40 and 166,519.80

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Solution

The fourth proportional to 503,609.40, 755,195.40 and 166,519.80 is: 249,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,609.40 : 755,195.40 = 166,519.80 : x
  2. Step 2: Convert to fraction form
    503,609.40/755,195.40 = 166,519.80/x
  3. Step 3: Cross multiply
    503,609.40x = 755,195.40 × 166,519.80
  4. Step 4: Simplify right side
    503,609.40x = 125,754,986,968.92
  5. Step 5: Solve for x
    x = 125,754,986,968.92/503,609.40
  6. Step 6: Final answer
    x = 249,707.39

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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.