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Finding the Fourth Proportional to 333,274.38, 500,034.69 and 155,839.02

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Solution

The fourth proportional to 333,274.38, 500,034.69 and 155,839.02 is: 233,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,274.38 : 500,034.69 = 155,839.02 : x
  2. Step 2: Convert to fraction form
    333,274.38/500,034.69 = 155,839.02/x
  3. Step 3: Cross multiply
    333,274.38x = 500,034.69 × 155,839.02
  4. Step 4: Simplify right side
    333,274.38x = 77,924,916,055.60
  5. Step 5: Solve for x
    x = 77,924,916,055.60/333,274.38
  6. Step 6: Final answer
    x = 233,816.10

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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.