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Finding the Fourth Proportional to 400,016.84, 600,025.84 and 163,359.52

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Solution

The fourth proportional to 400,016.84, 600,025.84 and 163,359.52 is: 245,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,016.84 : 600,025.84 = 163,359.52 : x
  2. Step 2: Convert to fraction form
    400,016.84/600,025.84 = 163,359.52/x
  3. Step 3: Cross multiply
    400,016.84x = 600,025.84 × 163,359.52
  4. Step 4: Simplify right side
    400,016.84x = 98,019,931,301.53
  5. Step 5: Solve for x
    x = 98,019,931,301.53/400,016.84
  6. Step 6: Final answer
    x = 245,039.52

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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.