Home / 272,988.57-376,724.59-152,127.20

Finding the Fourth Proportional to 272,988.57, 376,724.59 and 152,127.20

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Solution

The fourth proportional to 272,988.57, 376,724.59 and 152,127.20 is: 209,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,988.57 : 376,724.59 = 152,127.20 : x
  2. Step 2: Convert to fraction form
    272,988.57/376,724.59 = 152,127.20/x
  3. Step 3: Cross multiply
    272,988.57x = 376,724.59 × 152,127.20
  4. Step 4: Simplify right side
    272,988.57x = 57,310,057,229.02
  5. Step 5: Solve for x
    x = 57,310,057,229.02/272,988.57
  6. Step 6: Final answer
    x = 209,935.74

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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.