Home / 218,827.13-302,068.41-188,078.51

Finding the Fourth Proportional to 218,827.13, 302,068.41 and 188,078.51

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Solution

The fourth proportional to 218,827.13, 302,068.41 and 188,078.51 is: 259,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,827.13 : 302,068.41 = 188,078.51 : x
  2. Step 2: Convert to fraction form
    218,827.13/302,068.41 = 188,078.51/x
  3. Step 3: Cross multiply
    218,827.13x = 302,068.41 × 188,078.51
  4. Step 4: Simplify right side
    218,827.13x = 56,812,576,470.87
  5. Step 5: Solve for x
    x = 56,812,576,470.87/218,827.13
  6. Step 6: Final answer
    x = 259,623.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.