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Finding the Fourth Proportional to 238,720.00, 358,080.09 and 61,227.01

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Solution

The fourth proportional to 238,720.00, 358,080.09 and 61,227.01 is: 91,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,720.00 : 358,080.09 = 61,227.01 : x
  2. Step 2: Convert to fraction form
    238,720.00/358,080.09 = 61,227.01/x
  3. Step 3: Cross multiply
    238,720.00x = 358,080.09 × 61,227.01
  4. Step 4: Simplify right side
    238,720.00x = 21,924,172,983.30
  5. Step 5: Solve for x
    x = 21,924,172,983.30/238,720.00
  6. Step 6: Final answer
    x = 91,840.54

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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.