Home / 197,718.24-296,377.64-77,859.30

Finding the Fourth Proportional to 197,718.24, 296,377.64 and 77,859.30

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Solution

The fourth proportional to 197,718.24, 296,377.64 and 77,859.30 is: 116,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,718.24 : 296,377.64 = 77,859.30 : x
  2. Step 2: Convert to fraction form
    197,718.24/296,377.64 = 77,859.30/x
  3. Step 3: Cross multiply
    197,718.24x = 296,377.64 × 77,859.30
  4. Step 4: Simplify right side
    197,718.24x = 23,075,756,600.14
  5. Step 5: Solve for x
    x = 23,075,756,600.14/197,718.24
  6. Step 6: Final answer
    x = 116,710.31

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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.