Home / 288,504.20-432,756.24-120,021.32

Finding the Fourth Proportional to 288,504.20, 432,756.24 and 120,021.32

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Solution

The fourth proportional to 288,504.20, 432,756.24 and 120,021.32 is: 180,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,504.20 : 432,756.24 = 120,021.32 : x
  2. Step 2: Convert to fraction form
    288,504.20/432,756.24 = 120,021.32/x
  3. Step 3: Cross multiply
    288,504.20x = 432,756.24 × 120,021.32
  4. Step 4: Simplify right side
    288,504.20x = 51,939,975,163.04
  5. Step 5: Solve for x
    x = 51,939,975,163.04/288,504.20
  6. Step 6: Final answer
    x = 180,031.96

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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.