Home / 304,207.40-456,276.23-79,589.51

Finding the Fourth Proportional to 304,207.40, 456,276.23 and 79,589.51

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Solution

The fourth proportional to 304,207.40, 456,276.23 and 79,589.51 is: 119,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,207.40 : 456,276.23 = 79,589.51 : x
  2. Step 2: Convert to fraction form
    304,207.40/456,276.23 = 79,589.51/x
  3. Step 3: Cross multiply
    304,207.40x = 456,276.23 × 79,589.51
  4. Step 4: Simplify right side
    304,207.40x = 36,314,798,891.02
  5. Step 5: Solve for x
    x = 36,314,798,891.02/304,207.40
  6. Step 6: Final answer
    x = 119,375.14

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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.