Home / 289,080.20-433,274.70-148,766.60

Finding the Fourth Proportional to 289,080.20, 433,274.70 and 148,766.60

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Solution

The fourth proportional to 289,080.20, 433,274.70 and 148,766.60 is: 222,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,080.20 : 433,274.70 = 148,766.60 : x
  2. Step 2: Convert to fraction form
    289,080.20/433,274.70 = 148,766.60/x
  3. Step 3: Cross multiply
    289,080.20x = 433,274.70 × 148,766.60
  4. Step 4: Simplify right side
    289,080.20x = 64,456,803,985.02
  5. Step 5: Solve for x
    x = 64,456,803,985.02/289,080.20
  6. Step 6: Final answer
    x = 222,972.05

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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.