Home / 216,290.85-324,436.20-157,500.64

Finding the Fourth Proportional to 216,290.85, 324,436.20 and 157,500.64

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Solution

The fourth proportional to 216,290.85, 324,436.20 and 157,500.64 is: 236,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,290.85 : 324,436.20 = 157,500.64 : x
  2. Step 2: Convert to fraction form
    216,290.85/324,436.20 = 157,500.64/x
  3. Step 3: Cross multiply
    216,290.85x = 324,436.20 × 157,500.64
  4. Step 4: Simplify right side
    216,290.85x = 51,098,909,139.17
  5. Step 5: Solve for x
    x = 51,098,909,139.17/216,290.85
  6. Step 6: Final answer
    x = 236,250.91

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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.