Home / 274,679.12-379,081.04-153,818.22

Finding the Fourth Proportional to 274,679.12, 379,081.04 and 153,818.22

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Solution

The fourth proportional to 274,679.12, 379,081.04 and 153,818.22 is: 212,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,679.12 : 379,081.04 = 153,818.22 : x
  2. Step 2: Convert to fraction form
    274,679.12/379,081.04 = 153,818.22/x
  3. Step 3: Cross multiply
    274,679.12x = 379,081.04 × 153,818.22
  4. Step 4: Simplify right side
    274,679.12x = 58,309,570,808.55
  5. Step 5: Solve for x
    x = 58,309,570,808.55/274,679.12
  6. Step 6: Final answer
    x = 212,282.50

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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.