Home / 236,501.63-326,727.68-155,023.28

Finding the Fourth Proportional to 236,501.63, 326,727.68 and 155,023.28

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Solution

The fourth proportional to 236,501.63, 326,727.68 and 155,023.28 is: 214,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,501.63 : 326,727.68 = 155,023.28 : x
  2. Step 2: Convert to fraction form
    236,501.63/326,727.68 = 155,023.28/x
  3. Step 3: Cross multiply
    236,501.63x = 326,727.68 × 155,023.28
  4. Step 4: Simplify right side
    236,501.63x = 50,650,396,620.39
  5. Step 5: Solve for x
    x = 50,650,396,620.39/236,501.63
  6. Step 6: Final answer
    x = 214,165.11

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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.