Home / 209,273.60-288,807.44-118,631.33

Finding the Fourth Proportional to 209,273.60, 288,807.44 and 118,631.33

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Solution

The fourth proportional to 209,273.60, 288,807.44 and 118,631.33 is: 163,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,273.60 : 288,807.44 = 118,631.33 : x
  2. Step 2: Convert to fraction form
    209,273.60/288,807.44 = 118,631.33/x
  3. Step 3: Cross multiply
    209,273.60x = 288,807.44 × 118,631.33
  4. Step 4: Simplify right side
    209,273.60x = 34,261,608,683.90
  5. Step 5: Solve for x
    x = 34,261,608,683.90/209,273.60
  6. Step 6: Final answer
    x = 163,716.82

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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.