Home / 240,729.69-332,206.38-138,754.34

Finding the Fourth Proportional to 240,729.69, 332,206.38 and 138,754.34

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Solution

The fourth proportional to 240,729.69, 332,206.38 and 138,754.34 is: 191,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,729.69 : 332,206.38 = 138,754.34 : x
  2. Step 2: Convert to fraction form
    240,729.69/332,206.38 = 138,754.34/x
  3. Step 3: Cross multiply
    240,729.69x = 332,206.38 × 138,754.34
  4. Step 4: Simplify right side
    240,729.69x = 46,095,075,339.66
  5. Step 5: Solve for x
    x = 46,095,075,339.66/240,729.69
  6. Step 6: Final answer
    x = 191,480.64

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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.