Home / 347,722.30-521,583.45-189,864.64

Finding the Fourth Proportional to 347,722.30, 521,583.45 and 189,864.64

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Solution

The fourth proportional to 347,722.30, 521,583.45 and 189,864.64 is: 284,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,722.30 : 521,583.45 = 189,864.64 : x
  2. Step 2: Convert to fraction form
    347,722.30/521,583.45 = 189,864.64/x
  3. Step 3: Cross multiply
    347,722.30x = 521,583.45 × 189,864.64
  4. Step 4: Simplify right side
    347,722.30x = 99,030,250,406.97
  5. Step 5: Solve for x
    x = 99,030,250,406.97/347,722.30
  6. Step 6: Final answer
    x = 284,796.95

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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.