Home / 465,895.52-642,891.32-272,348.56

Finding the Fourth Proportional to 465,895.52, 642,891.32 and 272,348.56

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Solution

The fourth proportional to 465,895.52, 642,891.32 and 272,348.56 is: 375,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,895.52 : 642,891.32 = 272,348.56 : x
  2. Step 2: Convert to fraction form
    465,895.52/642,891.32 = 272,348.56/x
  3. Step 3: Cross multiply
    465,895.52x = 642,891.32 × 272,348.56
  4. Step 4: Simplify right side
    465,895.52x = 175,090,525,238.50
  5. Step 5: Solve for x
    x = 175,090,525,238.50/465,895.52
  6. Step 6: Final answer
    x = 375,815.00

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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.