Home / 289,037.80-433,535.10-120,514.60

Finding the Fourth Proportional to 289,037.80, 433,535.10 and 120,514.60

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Solution

The fourth proportional to 289,037.80, 433,535.10 and 120,514.60 is: 180,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,037.80 : 433,535.10 = 120,514.60 : x
  2. Step 2: Convert to fraction form
    289,037.80/433,535.10 = 120,514.60/x
  3. Step 3: Cross multiply
    289,037.80x = 433,535.10 × 120,514.60
  4. Step 4: Simplify right side
    289,037.80x = 52,247,309,162.46
  5. Step 5: Solve for x
    x = 52,247,309,162.46/289,037.80
  6. Step 6: Final answer
    x = 180,762.89

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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.