Home / 328,866.90-493,268.04-222,931.38

Finding the Fourth Proportional to 328,866.90, 493,268.04 and 222,931.38

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Solution

The fourth proportional to 328,866.90, 493,268.04 and 222,931.38 is: 334,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,866.90 : 493,268.04 = 222,931.38 : x
  2. Step 2: Convert to fraction form
    328,866.90/493,268.04 = 222,931.38/x
  3. Step 3: Cross multiply
    328,866.90x = 493,268.04 × 222,931.38
  4. Step 4: Simplify right side
    328,866.90x = 109,964,924,867.10
  5. Step 5: Solve for x
    x = 109,964,924,867.10/328,866.90
  6. Step 6: Final answer
    x = 334,375.17

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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.