Home / 485,075.52-669,424.38-270,215.52

Finding the Fourth Proportional to 485,075.52, 669,424.38 and 270,215.52

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Solution

The fourth proportional to 485,075.52, 669,424.38 and 270,215.52 is: 372,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,075.52 : 669,424.38 = 270,215.52 : x
  2. Step 2: Convert to fraction form
    485,075.52/669,424.38 = 270,215.52/x
  3. Step 3: Cross multiply
    485,075.52x = 669,424.38 × 270,215.52
  4. Step 4: Simplify right side
    485,075.52x = 180,888,856,942.38
  5. Step 5: Solve for x
    x = 180,888,856,942.38/485,075.52
  6. Step 6: Final answer
    x = 372,908.65

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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.