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Finding the Fourth Proportional to 407,593.96, 562,476.54 and 223,830.52

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Solution

The fourth proportional to 407,593.96, 562,476.54 and 223,830.52 is: 308,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,593.96 : 562,476.54 = 223,830.52 : x
  2. Step 2: Convert to fraction form
    407,593.96/562,476.54 = 223,830.52/x
  3. Step 3: Cross multiply
    407,593.96x = 562,476.54 × 223,830.52
  4. Step 4: Simplify right side
    407,593.96x = 125,899,416,436.00
  5. Step 5: Solve for x
    x = 125,899,416,436.00/407,593.96
  6. Step 6: Final answer
    x = 308,884.40

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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.