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Finding the Fourth Proportional to 452,268.41, 624,422.48 and 280,370.07

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Solution

The fourth proportional to 452,268.41, 624,422.48 and 280,370.07 is: 387,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,268.41 : 624,422.48 = 280,370.07 : x
  2. Step 2: Convert to fraction form
    452,268.41/624,422.48 = 280,370.07/x
  3. Step 3: Cross multiply
    452,268.41x = 624,422.48 × 280,370.07
  4. Step 4: Simplify right side
    452,268.41x = 175,069,375,128.10
  5. Step 5: Solve for x
    x = 175,069,375,128.10/452,268.41
  6. Step 6: Final answer
    x = 387,091.76

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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.