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Finding the Fourth Proportional to 447,360.36, 617,359.95 and 243,412.71

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Solution

The fourth proportional to 447,360.36, 617,359.95 and 243,412.71 is: 335,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,360.36 : 617,359.95 = 243,412.71 : x
  2. Step 2: Convert to fraction form
    447,360.36/617,359.95 = 243,412.71/x
  3. Step 3: Cross multiply
    447,360.36x = 617,359.95 × 243,412.71
  4. Step 4: Simplify right side
    447,360.36x = 150,273,258,474.96
  5. Step 5: Solve for x
    x = 150,273,258,474.96/447,360.36
  6. Step 6: Final answer
    x = 335,910.98

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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.