Home / 278,674.25-384,642.02-169,852.37

Finding the Fourth Proportional to 278,674.25, 384,642.02 and 169,852.37

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Solution

The fourth proportional to 278,674.25, 384,642.02 and 169,852.37 is: 234,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,674.25 : 384,642.02 = 169,852.37 : x
  2. Step 2: Convert to fraction form
    278,674.25/384,642.02 = 169,852.37/x
  3. Step 3: Cross multiply
    278,674.25x = 384,642.02 × 169,852.37
  4. Step 4: Simplify right side
    278,674.25x = 65,332,357,849.33
  5. Step 5: Solve for x
    x = 65,332,357,849.33/278,674.25
  6. Step 6: Final answer
    x = 234,439.88

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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.