Home / 338,341.20-507,145.56-220,097.04

Finding the Fourth Proportional to 338,341.20, 507,145.56 and 220,097.04

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Solution

The fourth proportional to 338,341.20, 507,145.56 and 220,097.04 is: 329,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,341.20 : 507,145.56 = 220,097.04 : x
  2. Step 2: Convert to fraction form
    338,341.20/507,145.56 = 220,097.04/x
  3. Step 3: Cross multiply
    338,341.20x = 507,145.56 × 220,097.04
  4. Step 4: Simplify right side
    338,341.20x = 111,621,236,605.14
  5. Step 5: Solve for x
    x = 111,621,236,605.14/338,341.20
  6. Step 6: Final answer
    x = 329,907.31

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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.