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Finding the Fourth Proportional to 504,844.60, 757,045.36 and 189,080

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Solution

The fourth proportional to 504,844.60, 757,045.36 and 189,080 is: 283,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,844.60 : 757,045.36 = 189,080 : x
  2. Step 2: Convert to fraction form
    504,844.60/757,045.36 = 189,080/x
  3. Step 3: Cross multiply
    504,844.60x = 757,045.36 × 189,080
  4. Step 4: Simplify right side
    504,844.60x = 143,142,136,668.80
  5. Step 5: Solve for x
    x = 143,142,136,668.80/504,844.60
  6. Step 6: Final answer
    x = 283,537.03

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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.