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Finding the Fourth Proportional to 247,246.40, 370,869.60 and 230,657.60

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Solution

The fourth proportional to 247,246.40, 370,869.60 and 230,657.60 is: 345,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,246.40 : 370,869.60 = 230,657.60 : x
  2. Step 2: Convert to fraction form
    247,246.40/370,869.60 = 230,657.60/x
  3. Step 3: Cross multiply
    247,246.40x = 370,869.60 × 230,657.60
  4. Step 4: Simplify right side
    247,246.40x = 85,543,891,848.96
  5. Step 5: Solve for x
    x = 85,543,891,848.96/247,246.40
  6. Step 6: Final answer
    x = 345,986.40

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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.