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Finding the Fourth Proportional to 269,954.31, 404,980.67 and 135,088.91

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Solution

The fourth proportional to 269,954.31, 404,980.67 and 135,088.91 is: 202,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,954.31 : 404,980.67 = 135,088.91 : x
  2. Step 2: Convert to fraction form
    269,954.31/404,980.67 = 135,088.91/x
  3. Step 3: Cross multiply
    269,954.31x = 404,980.67 × 135,088.91
  4. Step 4: Simplify right side
    269,954.31x = 54,708,395,594.19
  5. Step 5: Solve for x
    x = 54,708,395,594.19/269,954.31
  6. Step 6: Final answer
    x = 202,657.98

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1.5x scale

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.