Home / 414,082.20-621,209.70-236,443.80

Finding the Fourth Proportional to 414,082.20, 621,209.70 and 236,443.80

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Solution

The fourth proportional to 414,082.20, 621,209.70 and 236,443.80 is: 354,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,082.20 : 621,209.70 = 236,443.80 : x
  2. Step 2: Convert to fraction form
    414,082.20/621,209.70 = 236,443.80/x
  3. Step 3: Cross multiply
    414,082.20x = 621,209.70 × 236,443.80
  4. Step 4: Simplify right side
    414,082.20x = 146,881,182,064.86
  5. Step 5: Solve for x
    x = 146,881,182,064.86/414,082.20
  6. Step 6: Final answer
    x = 354,715.03

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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.