Home / 209,424.62-313,950.90-76,280.06

Finding the Fourth Proportional to 209,424.62, 313,950.90 and 76,280.06

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Solution

The fourth proportional to 209,424.62, 313,950.90 and 76,280.06 is: 114,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,424.62 : 313,950.90 = 76,280.06 : x
  2. Step 2: Convert to fraction form
    209,424.62/313,950.90 = 76,280.06/x
  3. Step 3: Cross multiply
    209,424.62x = 313,950.90 × 76,280.06
  4. Step 4: Simplify right side
    209,424.62x = 23,948,193,489.05
  5. Step 5: Solve for x
    x = 23,948,193,489.05/209,424.62
  6. Step 6: Final answer
    x = 114,352.33

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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.