Home / 346,974.40-520,882.80-220,614.40

Finding the Fourth Proportional to 346,974.40, 520,882.80 and 220,614.40

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Solution

The fourth proportional to 346,974.40, 520,882.80 and 220,614.40 is: 331,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,974.40 : 520,882.80 = 220,614.40 : x
  2. Step 2: Convert to fraction form
    346,974.40/520,882.80 = 220,614.40/x
  3. Step 3: Cross multiply
    346,974.40x = 520,882.80 × 220,614.40
  4. Step 4: Simplify right side
    346,974.40x = 114,914,246,392.32
  5. Step 5: Solve for x
    x = 114,914,246,392.32/346,974.40
  6. Step 6: Final answer
    x = 331,189.41

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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.