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Finding the Fourth Proportional to 452,478.43, 624,425.37 and 248,534.14

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Solution

The fourth proportional to 452,478.43, 624,425.37 and 248,534.14 is: 342,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,478.43 : 624,425.37 = 248,534.14 : x
  2. Step 2: Convert to fraction form
    452,478.43/624,425.37 = 248,534.14/x
  3. Step 3: Cross multiply
    452,478.43x = 624,425.37 × 248,534.14
  4. Step 4: Simplify right side
    452,478.43x = 155,191,022,327.13
  5. Step 5: Solve for x
    x = 155,191,022,327.13/452,478.43
  6. Step 6: Final answer
    x = 342,979.93

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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.