Home / 208,828.40-288,183.42-113,335.16

Finding the Fourth Proportional to 208,828.40, 288,183.42 and 113,335.16

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Solution

The fourth proportional to 208,828.40, 288,183.42 and 113,335.16 is: 156,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,828.40 : 288,183.42 = 113,335.16 : x
  2. Step 2: Convert to fraction form
    208,828.40/288,183.42 = 113,335.16/x
  3. Step 3: Cross multiply
    208,828.40x = 288,183.42 × 113,335.16
  4. Step 4: Simplify right side
    208,828.40x = 32,661,314,015.05
  5. Step 5: Solve for x
    x = 32,661,314,015.05/208,828.40
  6. Step 6: Final answer
    x = 156,402.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.