Home / 272,004.22-375,258.27-157,261.78

Finding the Fourth Proportional to 272,004.22, 375,258.27 and 157,261.78

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Solution

The fourth proportional to 272,004.22, 375,258.27 and 157,261.78 is: 216,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,004.22 : 375,258.27 = 157,261.78 : x
  2. Step 2: Convert to fraction form
    272,004.22/375,258.27 = 157,261.78/x
  3. Step 3: Cross multiply
    272,004.22x = 375,258.27 × 157,261.78
  4. Step 4: Simplify right side
    272,004.22x = 59,013,783,499.92
  5. Step 5: Solve for x
    x = 59,013,783,499.92/272,004.22
  6. Step 6: Final answer
    x = 216,959.07

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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.