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Finding the Fourth Proportional to 250,464, 345,675.75 and 155,001.45

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Solution

The fourth proportional to 250,464, 345,675.75 and 155,001.45 is: 213,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,464 : 345,675.75 = 155,001.45 : x
  2. Step 2: Convert to fraction form
    250,464/345,675.75 = 155,001.45/x
  3. Step 3: Cross multiply
    250,464x = 345,675.75 × 155,001.45
  4. Step 4: Simplify right side
    250,464x = 53,580,242,479.84
  5. Step 5: Solve for x
    x = 53,580,242,479.84/250,464
  6. Step 6: Final answer
    x = 213,923.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.