Home / 236,435.40-326,209.78-155,833.96

Finding the Fourth Proportional to 236,435.40, 326,209.78 and 155,833.96

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Solution

The fourth proportional to 236,435.40, 326,209.78 and 155,833.96 is: 215,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,435.40 : 326,209.78 = 155,833.96 : x
  2. Step 2: Convert to fraction form
    236,435.40/326,209.78 = 155,833.96/x
  3. Step 3: Cross multiply
    236,435.40x = 326,209.78 × 155,833.96
  4. Step 4: Simplify right side
    236,435.40x = 50,834,561,808.13
  5. Step 5: Solve for x
    x = 50,834,561,808.13/236,435.40
  6. Step 6: Final answer
    x = 215,004.02

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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.