Home / 209,274.60-288,808.82-118,632.33

Finding the Fourth Proportional to 209,274.60, 288,808.82 and 118,632.33

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Solution

The fourth proportional to 209,274.60, 288,808.82 and 118,632.33 is: 163,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,274.60 : 288,808.82 = 118,632.33 : x
  2. Step 2: Convert to fraction form
    209,274.60/288,808.82 = 118,632.33/x
  3. Step 3: Cross multiply
    209,274.60x = 288,808.82 × 118,632.33
  4. Step 4: Simplify right side
    209,274.60x = 34,262,063,241.15
  5. Step 5: Solve for x
    x = 34,262,063,241.15/209,274.60
  6. Step 6: Final answer
    x = 163,718.21

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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.