Home / 220,643.46-304,553.18-130,028.63

Finding the Fourth Proportional to 220,643.46, 304,553.18 and 130,028.63

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Solution

The fourth proportional to 220,643.46, 304,553.18 and 130,028.63 is: 179,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,643.46 : 304,553.18 = 130,028.63 : x
  2. Step 2: Convert to fraction form
    220,643.46/304,553.18 = 130,028.63/x
  3. Step 3: Cross multiply
    220,643.46x = 304,553.18 × 130,028.63
  4. Step 4: Simplify right side
    220,643.46x = 39,600,631,559.85
  5. Step 5: Solve for x
    x = 39,600,631,559.85/220,643.46
  6. Step 6: Final answer
    x = 179,477.93

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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.