Home / 447,622.79-617,719.42-243,675.18

Finding the Fourth Proportional to 447,622.79, 617,719.42 and 243,675.18

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Solution

The fourth proportional to 447,622.79, 617,719.42 and 243,675.18 is: 336,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,622.79 : 617,719.42 = 243,675.18 : x
  2. Step 2: Convert to fraction form
    447,622.79/617,719.42 = 243,675.18/x
  3. Step 3: Cross multiply
    447,622.79x = 617,719.42 × 243,675.18
  4. Step 4: Simplify right side
    447,622.79x = 150,522,890,858.00
  5. Step 5: Solve for x
    x = 150,522,890,858.00/447,622.79
  6. Step 6: Final answer
    x = 336,271.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.