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Finding the Fourth Proportional to 236,495.69, 326,371.68 and 134,518.52

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Solution

The fourth proportional to 236,495.69, 326,371.68 and 134,518.52 is: 185,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,495.69 : 326,371.68 = 134,518.52 : x
  2. Step 2: Convert to fraction form
    236,495.69/326,371.68 = 134,518.52/x
  3. Step 3: Cross multiply
    236,495.69x = 326,371.68 × 134,518.52
  4. Step 4: Simplify right side
    236,495.69x = 43,903,035,363.51
  5. Step 5: Solve for x
    x = 43,903,035,363.51/236,495.69
  6. Step 6: Final answer
    x = 185,639.90

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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.