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Finding the Fourth Proportional to 447,491.86, 617,550.15 and 243,553.84

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Solution

The fourth proportional to 447,491.86, 617,550.15 and 243,553.84 is: 336,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,491.86 : 617,550.15 = 243,553.84 : x
  2. Step 2: Convert to fraction form
    447,491.86/617,550.15 = 243,553.84/x
  3. Step 3: Cross multiply
    447,491.86x = 617,550.15 × 243,553.84
  4. Step 4: Simplify right side
    447,491.86x = 150,406,710,425.08
  5. Step 5: Solve for x
    x = 150,406,710,425.08/447,491.86
  6. Step 6: Final answer
    x = 336,110.49

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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.