Home / 305,764.20-421,946.55-169,793.82

Finding the Fourth Proportional to 305,764.20, 421,946.55 and 169,793.82

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Solution

The fourth proportional to 305,764.20, 421,946.55 and 169,793.82 is: 234,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,764.20 : 421,946.55 = 169,793.82 : x
  2. Step 2: Convert to fraction form
    305,764.20/421,946.55 = 169,793.82/x
  3. Step 3: Cross multiply
    305,764.20x = 421,946.55 × 169,793.82
  4. Step 4: Simplify right side
    305,764.20x = 71,643,916,560.32
  5. Step 5: Solve for x
    x = 71,643,916,560.32/305,764.20
  6. Step 6: Final answer
    x = 234,311.00

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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.