Home / 447,018.60-616,882.34-243,069.65

Finding the Fourth Proportional to 447,018.60, 616,882.34 and 243,069.65

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Solution

The fourth proportional to 447,018.60, 616,882.34 and 243,069.65 is: 335,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,018.60 : 616,882.34 = 243,069.65 : x
  2. Step 2: Convert to fraction form
    447,018.60/616,882.34 = 243,069.65/x
  3. Step 3: Cross multiply
    447,018.60x = 616,882.34 × 243,069.65
  4. Step 4: Simplify right side
    447,018.60x = 149,945,370,175.22
  5. Step 5: Solve for x
    x = 149,945,370,175.22/447,018.60
  6. Step 6: Final answer
    x = 335,434.30

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1.5x scale

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.