Home / 304,942.02-421,221.24-234,196.17

Finding the Fourth Proportional to 304,942.02, 421,221.24 and 234,196.17

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Solution

The fourth proportional to 304,942.02, 421,221.24 and 234,196.17 is: 323,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,942.02 : 421,221.24 = 234,196.17 : x
  2. Step 2: Convert to fraction form
    304,942.02/421,221.24 = 234,196.17/x
  3. Step 3: Cross multiply
    304,942.02x = 421,221.24 × 234,196.17
  4. Step 4: Simplify right side
    304,942.02x = 98,648,401,130.65
  5. Step 5: Solve for x
    x = 98,648,401,130.65/304,942.02
  6. Step 6: Final answer
    x = 323,498.88

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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.