Home / 278,429.60-384,177.28-169,460.95

Finding the Fourth Proportional to 278,429.60, 384,177.28 and 169,460.95

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Solution

The fourth proportional to 278,429.60, 384,177.28 and 169,460.95 is: 233,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,429.60 : 384,177.28 = 169,460.95 : x
  2. Step 2: Convert to fraction form
    278,429.60/384,177.28 = 169,460.95/x
  3. Step 3: Cross multiply
    278,429.60x = 384,177.28 × 169,460.95
  4. Step 4: Simplify right side
    278,429.60x = 65,103,047,374.01
  5. Step 5: Solve for x
    x = 65,103,047,374.01/278,429.60
  6. Step 6: Final answer
    x = 233,822.29

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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.