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Finding the Fourth Proportional to 270,886.50, 404,682.38 and 175,338.27

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Solution

The fourth proportional to 270,886.50, 404,682.38 and 175,338.27 is: 261,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,886.50 : 404,682.38 = 175,338.27 : x
  2. Step 2: Convert to fraction form
    270,886.50/404,682.38 = 175,338.27/x
  3. Step 3: Cross multiply
    270,886.50x = 404,682.38 × 175,338.27
  4. Step 4: Simplify right side
    270,886.50x = 70,956,308,189.51
  5. Step 5: Solve for x
    x = 70,956,308,189.51/270,886.50
  6. Step 6: Final answer
    x = 261,941.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.