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Finding the Fourth Proportional to 247,551.60, 371,327.40 and 163,570.80

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Solution

The fourth proportional to 247,551.60, 371,327.40 and 163,570.80 is: 245,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,551.60 : 371,327.40 = 163,570.80 : x
  2. Step 2: Convert to fraction form
    247,551.60/371,327.40 = 163,570.80/x
  3. Step 3: Cross multiply
    247,551.60x = 371,327.40 × 163,570.80
  4. Step 4: Simplify right side
    247,551.60x = 60,738,319,879.92
  5. Step 5: Solve for x
    x = 60,738,319,879.92/247,551.60
  6. Step 6: Final answer
    x = 245,356.20

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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.