Home / 236,502.13-326,728.37-155,023.78

Finding the Fourth Proportional to 236,502.13, 326,728.37 and 155,023.78

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Solution

The fourth proportional to 236,502.13, 326,728.37 and 155,023.78 is: 214,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,502.13 : 326,728.37 = 155,023.78 : x
  2. Step 2: Convert to fraction form
    236,502.13/326,728.37 = 155,023.78/x
  3. Step 3: Cross multiply
    236,502.13x = 326,728.37 × 155,023.78
  4. Step 4: Simplify right side
    236,502.13x = 50,650,666,950.64
  5. Step 5: Solve for x
    x = 50,650,666,950.64/236,502.13
  6. Step 6: Final answer
    x = 214,165.80

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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.