Home / 300,887.31-451,330.17-76,247.10

Finding the Fourth Proportional to 300,887.31, 451,330.17 and 76,247.10

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Solution

The fourth proportional to 300,887.31, 451,330.17 and 76,247.10 is: 114,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,887.31 : 451,330.17 = 76,247.10 : x
  2. Step 2: Convert to fraction form
    300,887.31/451,330.17 = 76,247.10/x
  3. Step 3: Cross multiply
    300,887.31x = 451,330.17 × 76,247.10
  4. Step 4: Simplify right side
    300,887.31x = 34,412,616,605.01
  5. Step 5: Solve for x
    x = 34,412,616,605.01/300,887.31
  6. Step 6: Final answer
    x = 114,370.45

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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.