Home / 447,736.25-617,887.10-243,798.35

Finding the Fourth Proportional to 447,736.25, 617,887.10 and 243,798.35

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Solution

The fourth proportional to 447,736.25, 617,887.10 and 243,798.35 is: 336,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,736.25 : 617,887.10 = 243,798.35 : x
  2. Step 2: Convert to fraction form
    447,736.25/617,887.10 = 243,798.35/x
  3. Step 3: Cross multiply
    447,736.25x = 617,887.10 × 243,798.35
  4. Step 4: Simplify right side
    447,736.25x = 150,639,852,376.85
  5. Step 5: Solve for x
    x = 150,639,852,376.85/447,736.25
  6. Step 6: Final answer
    x = 336,447.75

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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.