Home / 400,219.88-600,330.02-163,562.31

Finding the Fourth Proportional to 400,219.88, 600,330.02 and 163,562.31

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Solution

The fourth proportional to 400,219.88, 600,330.02 and 163,562.31 is: 245,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,219.88 : 600,330.02 = 163,562.31 : x
  2. Step 2: Convert to fraction form
    400,219.88/600,330.02 = 163,562.31/x
  3. Step 3: Cross multiply
    400,219.88x = 600,330.02 × 163,562.31
  4. Step 4: Simplify right side
    400,219.88x = 98,191,364,015.73
  5. Step 5: Solve for x
    x = 98,191,364,015.73/400,219.88
  6. Step 6: Final answer
    x = 245,343.55

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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.