Home / 288,664.20-432,996.30-131,200.20

Finding the Fourth Proportional to 288,664.20, 432,996.30 and 131,200.20

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Solution

The fourth proportional to 288,664.20, 432,996.30 and 131,200.20 is: 196,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,664.20 : 432,996.30 = 131,200.20 : x
  2. Step 2: Convert to fraction form
    288,664.20/432,996.30 = 131,200.20/x
  3. Step 3: Cross multiply
    288,664.20x = 432,996.30 × 131,200.20
  4. Step 4: Simplify right side
    288,664.20x = 56,809,201,159.26
  5. Step 5: Solve for x
    x = 56,809,201,159.26/288,664.20
  6. Step 6: Final answer
    x = 196,800.30

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1.5x scale

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.