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Finding the Fourth Proportional to 240,643.37, 332,087.95 and 131,754.77

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Solution

The fourth proportional to 240,643.37, 332,087.95 and 131,754.77 is: 181,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,643.37 : 332,087.95 = 131,754.77 : x
  2. Step 2: Convert to fraction form
    240,643.37/332,087.95 = 131,754.77/x
  3. Step 3: Cross multiply
    240,643.37x = 332,087.95 × 131,754.77
  4. Step 4: Simplify right side
    240,643.37x = 43,754,169,482.19
  5. Step 5: Solve for x
    x = 43,754,169,482.19/240,643.37
  6. Step 6: Final answer
    x = 181,821.63

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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.