Home / 761,151.40-1,141,723.74-192,537.80

Finding the Fourth Proportional to 761,151.40, 1,141,723.74 and 192,537.80

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Solution

The fourth proportional to 761,151.40, 1,141,723.74 and 192,537.80 is: 288,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,151.40 : 1,141,723.74 = 192,537.80 : x
  2. Step 2: Convert to fraction form
    761,151.40/1,141,723.74 = 192,537.80/x
  3. Step 3: Cross multiply
    761,151.40x = 1,141,723.74 × 192,537.80
  4. Step 4: Simplify right side
    761,151.40x = 219,824,977,107.37
  5. Step 5: Solve for x
    x = 219,824,977,107.37/761,151.40
  6. Step 6: Final answer
    x = 288,805.85

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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.