Home / 485,159.28-669,515.40-270,295.44

Finding the Fourth Proportional to 485,159.28, 669,515.40 and 270,295.44

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Solution

The fourth proportional to 485,159.28, 669,515.40 and 270,295.44 is: 373,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,159.28 : 669,515.40 = 270,295.44 : x
  2. Step 2: Convert to fraction form
    485,159.28/669,515.40 = 270,295.44/x
  3. Step 3: Cross multiply
    485,159.28x = 669,515.40 × 270,295.44
  4. Step 4: Simplify right side
    485,159.28x = 180,966,959,629.78
  5. Step 5: Solve for x
    x = 180,966,959,629.78/485,159.28
  6. Step 6: Final answer
    x = 373,005.25

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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.