Home / 420,848.15-580,770.44-229,862.00

Finding the Fourth Proportional to 420,848.15, 580,770.44 and 229,862.00

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Solution

The fourth proportional to 420,848.15, 580,770.44 and 229,862.00 is: 317,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,848.15 : 580,770.44 = 229,862.00 : x
  2. Step 2: Convert to fraction form
    420,848.15/580,770.44 = 229,862.00/x
  3. Step 3: Cross multiply
    420,848.15x = 580,770.44 × 229,862.00
  4. Step 4: Simplify right side
    420,848.15x = 133,497,051,975.43
  5. Step 5: Solve for x
    x = 133,497,051,975.43/420,848.15
  6. Step 6: Final answer
    x = 317,209.55

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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.