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Finding the Fourth Proportional to 245,068.84, 338,169.54 and 164,479.96

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Solution

The fourth proportional to 245,068.84, 338,169.54 and 164,479.96 is: 226,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,068.84 : 338,169.54 = 164,479.96 : x
  2. Step 2: Convert to fraction form
    245,068.84/338,169.54 = 164,479.96/x
  3. Step 3: Cross multiply
    245,068.84x = 338,169.54 × 164,479.96
  4. Step 4: Simplify right side
    245,068.84x = 55,622,112,412.42
  5. Step 5: Solve for x
    x = 55,622,112,412.42/245,068.84
  6. Step 6: Final answer
    x = 226,965.26

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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.