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Finding the Fourth Proportional to 447,587.60, 617,684.80 and 243,652.10

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Solution

The fourth proportional to 447,587.60, 617,684.80 and 243,652.10 is: 336,247.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,587.60 : 617,684.80 = 243,652.10 : x
  2. Step 2: Convert to fraction form
    447,587.60/617,684.80 = 243,652.10/x
  3. Step 3: Cross multiply
    447,587.60x = 617,684.80 × 243,652.10
  4. Step 4: Simplify right side
    447,587.60x = 150,500,198,658.08
  5. Step 5: Solve for x
    x = 150,500,198,658.08/447,587.60
  6. Step 6: Final answer
    x = 336,247.47

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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.