Home / 293,389.02-440,231.15-218,659.23

Finding the Fourth Proportional to 293,389.02, 440,231.15 and 218,659.23

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Solution

The fourth proportional to 293,389.02, 440,231.15 and 218,659.23 is: 328,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,389.02 : 440,231.15 = 218,659.23 : x
  2. Step 2: Convert to fraction form
    293,389.02/440,231.15 = 218,659.23/x
  3. Step 3: Cross multiply
    293,389.02x = 440,231.15 × 218,659.23
  4. Step 4: Simplify right side
    293,389.02x = 96,260,604,827.66
  5. Step 5: Solve for x
    x = 96,260,604,827.66/293,389.02
  6. Step 6: Final answer
    x = 328,098.87

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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.