Home / 209,251.80-313,853.40-59,515.20

Finding the Fourth Proportional to 209,251.80, 313,853.40 and 59,515.20

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Solution

The fourth proportional to 209,251.80, 313,853.40 and 59,515.20 is: 89,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,251.80 : 313,853.40 = 59,515.20 : x
  2. Step 2: Convert to fraction form
    209,251.80/313,853.40 = 59,515.20/x
  3. Step 3: Cross multiply
    209,251.80x = 313,853.40 × 59,515.20
  4. Step 4: Simplify right side
    209,251.80x = 18,679,047,871.68
  5. Step 5: Solve for x
    x = 18,679,047,871.68/209,251.80
  6. Step 6: Final answer
    x = 89,265.89

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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.