Home / 288,980.12-433,594.20-111,611.68

Finding the Fourth Proportional to 288,980.12, 433,594.20 and 111,611.68

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Solution

The fourth proportional to 288,980.12, 433,594.20 and 111,611.68 is: 167,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,980.12 : 433,594.20 = 111,611.68 : x
  2. Step 2: Convert to fraction form
    288,980.12/433,594.20 = 111,611.68/x
  3. Step 3: Cross multiply
    288,980.12x = 433,594.20 × 111,611.68
  4. Step 4: Simplify right side
    288,980.12x = 48,394,177,100.26
  5. Step 5: Solve for x
    x = 48,394,177,100.26/288,980.12
  6. Step 6: Final answer
    x = 167,465.42

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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.