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Finding the Fourth Proportional to 295,392.48, 406,930.41 and 234,943.80

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Solution

The fourth proportional to 295,392.48, 406,930.41 and 234,943.80 is: 323,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,392.48 : 406,930.41 = 234,943.80 : x
  2. Step 2: Convert to fraction form
    295,392.48/406,930.41 = 234,943.80/x
  3. Step 3: Cross multiply
    295,392.48x = 406,930.41 × 234,943.80
  4. Step 4: Simplify right side
    295,392.48x = 95,605,776,860.96
  5. Step 5: Solve for x
    x = 95,605,776,860.96/295,392.48
  6. Step 6: Final answer
    x = 323,656.77

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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.