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Finding the Fourth Proportional to 345,602.88, 517,654.16 and 167,736.08

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Solution

The fourth proportional to 345,602.88, 517,654.16 and 167,736.08 is: 251,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,602.88 : 517,654.16 = 167,736.08 : x
  2. Step 2: Convert to fraction form
    345,602.88/517,654.16 = 167,736.08/x
  3. Step 3: Cross multiply
    345,602.88x = 517,654.16 × 167,736.08
  4. Step 4: Simplify right side
    345,602.88x = 86,829,279,594.09
  5. Step 5: Solve for x
    x = 86,829,279,594.09/345,602.88
  6. Step 6: Final answer
    x = 251,240.03

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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.