Home / 278,952.04-384,952.26-158,116.17

Finding the Fourth Proportional to 278,952.04, 384,952.26 and 158,116.17

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Solution

The fourth proportional to 278,952.04, 384,952.26 and 158,116.17 is: 218,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,952.04 : 384,952.26 = 158,116.17 : x
  2. Step 2: Convert to fraction form
    278,952.04/384,952.26 = 158,116.17/x
  3. Step 3: Cross multiply
    278,952.04x = 384,952.26 × 158,116.17
  4. Step 4: Simplify right side
    278,952.04x = 60,867,176,984.04
  5. Step 5: Solve for x
    x = 60,867,176,984.04/278,952.04
  6. Step 6: Final answer
    x = 218,199.43

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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.