Home / 278,221.36-417,325.56-151,984.48

Finding the Fourth Proportional to 278,221.36, 417,325.56 and 151,984.48

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Solution

The fourth proportional to 278,221.36, 417,325.56 and 151,984.48 is: 227,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,221.36 : 417,325.56 = 151,984.48 : x
  2. Step 2: Convert to fraction form
    278,221.36/417,325.56 = 151,984.48/x
  3. Step 3: Cross multiply
    278,221.36x = 417,325.56 × 151,984.48
  4. Step 4: Simplify right side
    278,221.36x = 63,427,008,227.31
  5. Step 5: Solve for x
    x = 63,427,008,227.31/278,221.36
  6. Step 6: Final answer
    x = 227,973.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.