Home / 575,285.15-863,052.30-220,299.18

Finding the Fourth Proportional to 575,285.15, 863,052.30 and 220,299.18

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Solution

The fourth proportional to 575,285.15, 863,052.30 and 220,299.18 is: 330,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,285.15 : 863,052.30 = 220,299.18 : x
  2. Step 2: Convert to fraction form
    575,285.15/863,052.30 = 220,299.18/x
  3. Step 3: Cross multiply
    575,285.15x = 863,052.30 × 220,299.18
  4. Step 4: Simplify right side
    575,285.15x = 190,129,713,987.11
  5. Step 5: Solve for x
    x = 190,129,713,987.11/575,285.15
  6. Step 6: Final answer
    x = 330,496.47

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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.