Home / 288,829.20-432,898.20-148,515.60

Finding the Fourth Proportional to 288,829.20, 432,898.20 and 148,515.60

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Solution

The fourth proportional to 288,829.20, 432,898.20 and 148,515.60 is: 222,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,829.20 : 432,898.20 = 148,515.60 : x
  2. Step 2: Convert to fraction form
    288,829.20/432,898.20 = 148,515.60/x
  3. Step 3: Cross multiply
    288,829.20x = 432,898.20 × 148,515.60
  4. Step 4: Simplify right side
    288,829.20x = 64,292,135,911.92
  5. Step 5: Solve for x
    x = 64,292,135,911.92/288,829.20
  6. Step 6: Final answer
    x = 222,595.69

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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.