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Finding the Fourth Proportional to 234,891.91, 324,075.47 and 131,510.88

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Solution

The fourth proportional to 234,891.91, 324,075.47 and 131,510.88 is: 181,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,891.91 : 324,075.47 = 131,510.88 : x
  2. Step 2: Convert to fraction form
    234,891.91/324,075.47 = 131,510.88/x
  3. Step 3: Cross multiply
    234,891.91x = 324,075.47 × 131,510.88
  4. Step 4: Simplify right side
    234,891.91x = 42,619,449,416.85
  5. Step 5: Solve for x
    x = 42,619,449,416.85/234,891.91
  6. Step 6: Final answer
    x = 181,442.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.