Home / 292,713.80-439,589.10-226,315.40

Finding the Fourth Proportional to 292,713.80, 439,589.10 and 226,315.40

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Solution

The fourth proportional to 292,713.80, 439,589.10 and 226,315.40 is: 339,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,713.80 : 439,589.10 = 226,315.40 : x
  2. Step 2: Convert to fraction form
    292,713.80/439,589.10 = 226,315.40/x
  3. Step 3: Cross multiply
    292,713.80x = 439,589.10 × 226,315.40
  4. Step 4: Simplify right side
    292,713.80x = 99,485,783,002.14
  5. Step 5: Solve for x
    x = 99,485,783,002.14/292,713.80
  6. Step 6: Final answer
    x = 339,873.91

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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.