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Finding the Fourth Proportional to 182,907.20, 274,360.80 and 163,078.40

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Solution

The fourth proportional to 182,907.20, 274,360.80 and 163,078.40 is: 244,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,907.20 : 274,360.80 = 163,078.40 : x
  2. Step 2: Convert to fraction form
    182,907.20/274,360.80 = 163,078.40/x
  3. Step 3: Cross multiply
    182,907.20x = 274,360.80 × 163,078.40
  4. Step 4: Simplify right side
    182,907.20x = 44,742,320,286.72
  5. Step 5: Solve for x
    x = 44,742,320,286.72/182,907.20
  6. Step 6: Final answer
    x = 244,617.60

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1.5x scale

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.