Home / 347,726.30-521,589.45-189,868.64

Finding the Fourth Proportional to 347,726.30, 521,589.45 and 189,868.64

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Solution

The fourth proportional to 347,726.30, 521,589.45 and 189,868.64 is: 284,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,726.30 : 521,589.45 = 189,868.64 : x
  2. Step 2: Convert to fraction form
    347,726.30/521,589.45 = 189,868.64/x
  3. Step 3: Cross multiply
    347,726.30x = 521,589.45 × 189,868.64
  4. Step 4: Simplify right side
    347,726.30x = 99,033,479,509.85
  5. Step 5: Solve for x
    x = 99,033,479,509.85/347,726.30
  6. Step 6: Final answer
    x = 284,802.96

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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.