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Finding the Fourth Proportional to 407,937.71, 562,941.83 and 224,176.86

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Solution

The fourth proportional to 407,937.71, 562,941.83 and 224,176.86 is: 309,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,937.71 : 562,941.83 = 224,176.86 : x
  2. Step 2: Convert to fraction form
    407,937.71/562,941.83 = 224,176.86/x
  3. Step 3: Cross multiply
    407,937.71x = 562,941.83 × 224,176.86
  4. Step 4: Simplify right side
    407,937.71x = 126,198,532,372.50
  5. Step 5: Solve for x
    x = 126,198,532,372.50/407,937.71
  6. Step 6: Final answer
    x = 309,357.36

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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.