Home / 293,614.08-440,490-91,199.84

Finding the Fourth Proportional to 293,614.08, 440,490 and 91,199.84

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Solution

The fourth proportional to 293,614.08, 440,490 and 91,199.84 is: 136,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,614.08 : 440,490 = 91,199.84 : x
  2. Step 2: Convert to fraction form
    293,614.08/440,490 = 91,199.84/x
  3. Step 3: Cross multiply
    293,614.08x = 440,490 × 91,199.84
  4. Step 4: Simplify right side
    293,614.08x = 40,172,617,521.60
  5. Step 5: Solve for x
    x = 40,172,617,521.60/293,614.08
  6. Step 6: Final answer
    x = 136,821.15

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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.