Home / 378,050.20-567,075.30-245,080.60

Finding the Fourth Proportional to 378,050.20, 567,075.30 and 245,080.60

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Solution

The fourth proportional to 378,050.20, 567,075.30 and 245,080.60 is: 367,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,050.20 : 567,075.30 = 245,080.60 : x
  2. Step 2: Convert to fraction form
    378,050.20/567,075.30 = 245,080.60/x
  3. Step 3: Cross multiply
    378,050.20x = 567,075.30 × 245,080.60
  4. Step 4: Simplify right side
    378,050.20x = 138,979,154,769.18
  5. Step 5: Solve for x
    x = 138,979,154,769.18/378,050.20
  6. Step 6: Final answer
    x = 367,620.90

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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.