Home / 278,664.60-417,824.10-160,277.40

Finding the Fourth Proportional to 278,664.60, 417,824.10 and 160,277.40

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Solution

The fourth proportional to 278,664.60, 417,824.10 and 160,277.40 is: 240,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,664.60 : 417,824.10 = 160,277.40 : x
  2. Step 2: Convert to fraction form
    278,664.60/417,824.10 = 160,277.40/x
  3. Step 3: Cross multiply
    278,664.60x = 417,824.10 × 160,277.40
  4. Step 4: Simplify right side
    278,664.60x = 66,967,760,405.34
  5. Step 5: Solve for x
    x = 66,967,760,405.34/278,664.60
  6. Step 6: Final answer
    x = 240,316.71

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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.