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Finding the Fourth Proportional to 252,820.20, 379,230.30 and 230,075.40

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Solution

The fourth proportional to 252,820.20, 379,230.30 and 230,075.40 is: 345,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,820.20 : 379,230.30 = 230,075.40 : x
  2. Step 2: Convert to fraction form
    252,820.20/379,230.30 = 230,075.40/x
  3. Step 3: Cross multiply
    252,820.20x = 379,230.30 × 230,075.40
  4. Step 4: Simplify right side
    252,820.20x = 87,251,562,964.62
  5. Step 5: Solve for x
    x = 87,251,562,964.62/252,820.20
  6. Step 6: Final answer
    x = 345,113.10

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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.