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Finding the Fourth Proportional to 368,584.35, 552,876.06 and 115,886.91

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Solution

The fourth proportional to 368,584.35, 552,876.06 and 115,886.91 is: 173,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,584.35 : 552,876.06 = 115,886.91 : x
  2. Step 2: Convert to fraction form
    368,584.35/552,876.06 = 115,886.91/x
  3. Step 3: Cross multiply
    368,584.35x = 552,876.06 × 115,886.91
  4. Step 4: Simplify right side
    368,584.35x = 64,071,098,206.37
  5. Step 5: Solve for x
    x = 64,071,098,206.37/368,584.35
  6. Step 6: Final answer
    x = 173,830.22

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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.