Home / 278,366.46-384,145.62-151,042.02

Finding the Fourth Proportional to 278,366.46, 384,145.62 and 151,042.02

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Solution

The fourth proportional to 278,366.46, 384,145.62 and 151,042.02 is: 208,437.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,366.46 : 384,145.62 = 151,042.02 : x
  2. Step 2: Convert to fraction form
    278,366.46/384,145.62 = 151,042.02/x
  3. Step 3: Cross multiply
    278,366.46x = 384,145.62 × 151,042.02
  4. Step 4: Simplify right side
    278,366.46x = 58,022,130,418.95
  5. Step 5: Solve for x
    x = 58,022,130,418.95/278,366.46
  6. Step 6: Final answer
    x = 208,437.94

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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.