Home / 262,651.50-393,345.67-149,990.26

Finding the Fourth Proportional to 262,651.50, 393,345.67 and 149,990.26

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Solution

The fourth proportional to 262,651.50, 393,345.67 and 149,990.26 is: 224,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,651.50 : 393,345.67 = 149,990.26 : x
  2. Step 2: Convert to fraction form
    262,651.50/393,345.67 = 149,990.26/x
  3. Step 3: Cross multiply
    262,651.50x = 393,345.67 × 149,990.26
  4. Step 4: Simplify right side
    262,651.50x = 58,998,019,313.17
  5. Step 5: Solve for x
    x = 58,998,019,313.17/262,651.50
  6. Step 6: Final answer
    x = 224,624.72

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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.