Home / 288,938.60-433,278.30-131,085.80

Finding the Fourth Proportional to 288,938.60, 433,278.30 and 131,085.80

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Solution

The fourth proportional to 288,938.60, 433,278.30 and 131,085.80 is: 196,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,938.60 : 433,278.30 = 131,085.80 : x
  2. Step 2: Convert to fraction form
    288,938.60/433,278.30 = 131,085.80/x
  3. Step 3: Cross multiply
    288,938.60x = 433,278.30 × 131,085.80
  4. Step 4: Simplify right side
    288,938.60x = 56,796,632,578.14
  5. Step 5: Solve for x
    x = 56,796,632,578.14/288,938.60
  6. Step 6: Final answer
    x = 196,569.90

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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.