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Finding the Fourth Proportional to 345,012.01, 475,982.93 and 254,585.03

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Solution

The fourth proportional to 345,012.01, 475,982.93 and 254,585.03 is: 351,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,012.01 : 475,982.93 = 254,585.03 : x
  2. Step 2: Convert to fraction form
    345,012.01/475,982.93 = 254,585.03/x
  3. Step 3: Cross multiply
    345,012.01x = 475,982.93 × 254,585.03
  4. Step 4: Simplify right side
    345,012.01x = 121,178,126,770.09
  5. Step 5: Solve for x
    x = 121,178,126,770.09/345,012.01
  6. Step 6: Final answer
    x = 351,228.72

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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.