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Finding the Fourth Proportional to 236,528, 326,408.64 and 161,208.08

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Solution

The fourth proportional to 236,528, 326,408.64 and 161,208.08 is: 222,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,528 : 326,408.64 = 161,208.08 : x
  2. Step 2: Convert to fraction form
    236,528/326,408.64 = 161,208.08/x
  3. Step 3: Cross multiply
    236,528x = 326,408.64 × 161,208.08
  4. Step 4: Simplify right side
    236,528x = 52,619,710,149.81
  5. Step 5: Solve for x
    x = 52,619,710,149.81/236,528
  6. Step 6: Final answer
    x = 222,467.15

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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.