Home / 278,467.73-384,275.19-151,140.59

Finding the Fourth Proportional to 278,467.73, 384,275.19 and 151,140.59

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Solution

The fourth proportional to 278,467.73, 384,275.19 and 151,140.59 is: 208,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,467.73 : 384,275.19 = 151,140.59 : x
  2. Step 2: Convert to fraction form
    278,467.73/384,275.19 = 151,140.59/x
  3. Step 3: Cross multiply
    278,467.73x = 384,275.19 × 151,140.59
  4. Step 4: Simplify right side
    278,467.73x = 58,079,578,938.96
  5. Step 5: Solve for x
    x = 58,079,578,938.96/278,467.73
  6. Step 6: Final answer
    x = 208,568.44

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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.