Home / 278,959.04-384,951.06-158,093.24

Finding the Fourth Proportional to 278,959.04, 384,951.06 and 158,093.24

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Solution

The fourth proportional to 278,959.04, 384,951.06 and 158,093.24 is: 218,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,959.04 : 384,951.06 = 158,093.24 : x
  2. Step 2: Convert to fraction form
    278,959.04/384,951.06 = 158,093.24/x
  3. Step 3: Cross multiply
    278,959.04x = 384,951.06 × 158,093.24
  4. Step 4: Simplify right side
    278,959.04x = 60,858,160,316.83
  5. Step 5: Solve for x
    x = 60,858,160,316.83/278,959.04
  6. Step 6: Final answer
    x = 218,161.64

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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.