Home / 236,865.75-326,648.84-155,071.95

Finding the Fourth Proportional to 236,865.75, 326,648.84 and 155,071.95

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Solution

The fourth proportional to 236,865.75, 326,648.84 and 155,071.95 is: 213,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,865.75 : 326,648.84 = 155,071.95 : x
  2. Step 2: Convert to fraction form
    236,865.75/326,648.84 = 155,071.95/x
  3. Step 3: Cross multiply
    236,865.75x = 326,648.84 × 155,071.95
  4. Step 4: Simplify right side
    236,865.75x = 50,654,071,808.68
  5. Step 5: Solve for x
    x = 50,654,071,808.68/236,865.75
  6. Step 6: Final answer
    x = 213,851.40

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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.