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Finding the Fourth Proportional to 362,720.10, 544,080.15 and 185,573.10

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Solution

The fourth proportional to 362,720.10, 544,080.15 and 185,573.10 is: 278,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,720.10 : 544,080.15 = 185,573.10 : x
  2. Step 2: Convert to fraction form
    362,720.10/544,080.15 = 185,573.10/x
  3. Step 3: Cross multiply
    362,720.10x = 544,080.15 × 185,573.10
  4. Step 4: Simplify right side
    362,720.10x = 100,966,640,083.97
  5. Step 5: Solve for x
    x = 100,966,640,083.97/362,720.10
  6. Step 6: Final answer
    x = 278,359.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.