Home / 209,259.75-288,265.96-151,730.04

Finding the Fourth Proportional to 209,259.75, 288,265.96 and 151,730.04

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Solution

The fourth proportional to 209,259.75, 288,265.96 and 151,730.04 is: 209,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,259.75 : 288,265.96 = 151,730.04 : x
  2. Step 2: Convert to fraction form
    209,259.75/288,265.96 = 151,730.04/x
  3. Step 3: Cross multiply
    209,259.75x = 288,265.96 × 151,730.04
  4. Step 4: Simplify right side
    209,259.75x = 43,738,604,906.60
  5. Step 5: Solve for x
    x = 43,738,604,906.60/209,259.75
  6. Step 6: Final answer
    x = 209,015.85

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1.5x scale

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.