Home / 278,304.26-384,060.59-150,979.83

Finding the Fourth Proportional to 278,304.26, 384,060.59 and 150,979.83

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Solution

The fourth proportional to 278,304.26, 384,060.59 and 150,979.83 is: 208,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,304.26 : 384,060.59 = 150,979.83 : x
  2. Step 2: Convert to fraction form
    278,304.26/384,060.59 = 150,979.83/x
  3. Step 3: Cross multiply
    278,304.26x = 384,060.59 × 150,979.83
  4. Step 4: Simplify right side
    278,304.26x = 57,985,401,833.00
  5. Step 5: Solve for x
    x = 57,985,401,833.00/278,304.26
  6. Step 6: Final answer
    x = 208,352.55

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1.5x scale

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.