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Finding the Fourth Proportional to 162,830.80, 244,246.20 and 115,591.60

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Solution

The fourth proportional to 162,830.80, 244,246.20 and 115,591.60 is: 173,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,830.80 : 244,246.20 = 115,591.60 : x
  2. Step 2: Convert to fraction form
    162,830.80/244,246.20 = 115,591.60/x
  3. Step 3: Cross multiply
    162,830.80x = 244,246.20 × 115,591.60
  4. Step 4: Simplify right side
    162,830.80x = 28,232,809,051.92
  5. Step 5: Solve for x
    x = 28,232,809,051.92/162,830.80
  6. Step 6: Final answer
    x = 173,387.40

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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.