Home / 197,287.80-272,283.82-111,264.47

Finding the Fourth Proportional to 197,287.80, 272,283.82 and 111,264.47

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Solution

The fourth proportional to 197,287.80, 272,283.82 and 111,264.47 is: 153,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,287.80 : 272,283.82 = 111,264.47 : x
  2. Step 2: Convert to fraction form
    197,287.80/272,283.82 = 111,264.47/x
  3. Step 3: Cross multiply
    197,287.80x = 272,283.82 × 111,264.47
  4. Step 4: Simplify right side
    197,287.80x = 30,295,513,560.46
  5. Step 5: Solve for x
    x = 30,295,513,560.46/197,287.80
  6. Step 6: Final answer
    x = 153,560.00

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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.