Home / 278,219.36-417,322.56-151,982.48

Finding the Fourth Proportional to 278,219.36, 417,322.56 and 151,982.48

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Solution

The fourth proportional to 278,219.36, 417,322.56 and 151,982.48 is: 227,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,219.36 : 417,322.56 = 151,982.48 : x
  2. Step 2: Convert to fraction form
    278,219.36/417,322.56 = 151,982.48/x
  3. Step 3: Cross multiply
    278,219.36x = 417,322.56 × 151,982.48
  4. Step 4: Simplify right side
    278,219.36x = 63,425,717,628.75
  5. Step 5: Solve for x
    x = 63,425,717,628.75/278,219.36
  6. Step 6: Final answer
    x = 227,970.18

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1.5x scale

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.