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Finding the Fourth Proportional to 407,645, 610,801.59 and 247,769.84

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Solution

The fourth proportional to 407,645, 610,801.59 and 247,769.84 is: 371,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,645 : 610,801.59 = 247,769.84 : x
  2. Step 2: Convert to fraction form
    407,645/610,801.59 = 247,769.84/x
  3. Step 3: Cross multiply
    407,645x = 610,801.59 × 247,769.84
  4. Step 4: Simplify right side
    407,645x = 151,338,212,226.05
  5. Step 5: Solve for x
    x = 151,338,212,226.05/407,645
  6. Step 6: Final answer
    x = 371,250.01

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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.