Home / 304,849.40-457,274.10-178,878.20

Finding the Fourth Proportional to 304,849.40, 457,274.10 and 178,878.20

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Solution

The fourth proportional to 304,849.40, 457,274.10 and 178,878.20 is: 268,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,849.40 : 457,274.10 = 178,878.20 : x
  2. Step 2: Convert to fraction form
    304,849.40/457,274.10 = 178,878.20/x
  3. Step 3: Cross multiply
    304,849.40x = 457,274.10 × 178,878.20
  4. Step 4: Simplify right side
    304,849.40x = 81,796,367,914.62
  5. Step 5: Solve for x
    x = 81,796,367,914.62/304,849.40
  6. Step 6: Final answer
    x = 268,317.30

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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.