Home / 304,939.02-421,217.10-234,193.17

Finding the Fourth Proportional to 304,939.02, 421,217.10 and 234,193.17

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Solution

The fourth proportional to 304,939.02, 421,217.10 and 234,193.17 is: 323,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,939.02 : 421,217.10 = 234,193.17 : x
  2. Step 2: Convert to fraction form
    304,939.02/421,217.10 = 234,193.17/x
  3. Step 3: Cross multiply
    304,939.02x = 421,217.10 × 234,193.17
  4. Step 4: Simplify right side
    304,939.02x = 98,646,167,907.21
  5. Step 5: Solve for x
    x = 98,646,167,907.21/304,939.02
  6. Step 6: Final answer
    x = 323,494.74

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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.