Home / 399,153.20-598,994.24-219,364.18

Finding the Fourth Proportional to 399,153.20, 598,994.24 and 219,364.18

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Solution

The fourth proportional to 399,153.20, 598,994.24 and 219,364.18 is: 329,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,153.20 : 598,994.24 = 219,364.18 : x
  2. Step 2: Convert to fraction form
    399,153.20/598,994.24 = 219,364.18/x
  3. Step 3: Cross multiply
    399,153.20x = 598,994.24 × 219,364.18
  4. Step 4: Simplify right side
    399,153.20x = 131,397,880,282.32
  5. Step 5: Solve for x
    x = 131,397,880,282.32/399,153.20
  6. Step 6: Final answer
    x = 329,191.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.