Home / 293,579.40-440,369.10-136,115.40

Finding the Fourth Proportional to 293,579.40, 440,369.10 and 136,115.40

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Solution

The fourth proportional to 293,579.40, 440,369.10 and 136,115.40 is: 204,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,579.40 : 440,369.10 = 136,115.40 : x
  2. Step 2: Convert to fraction form
    293,579.40/440,369.10 = 136,115.40/x
  3. Step 3: Cross multiply
    293,579.40x = 440,369.10 × 136,115.40
  4. Step 4: Simplify right side
    293,579.40x = 59,941,016,194.14
  5. Step 5: Solve for x
    x = 59,941,016,194.14/293,579.40
  6. Step 6: Final answer
    x = 204,173.10

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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.