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Finding the Fourth Proportional to 179,969.60, 269,565.60 and 156,641.60

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Solution

The fourth proportional to 179,969.60, 269,565.60 and 156,641.60 is: 234,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,969.60 : 269,565.60 = 156,641.60 : x
  2. Step 2: Convert to fraction form
    179,969.60/269,565.60 = 156,641.60/x
  3. Step 3: Cross multiply
    179,969.60x = 269,565.60 × 156,641.60
  4. Step 4: Simplify right side
    179,969.60x = 42,225,186,888.96
  5. Step 5: Solve for x
    x = 42,225,186,888.96/179,969.60
  6. Step 6: Final answer
    x = 234,624.00

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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.