Home / 216,408.47-326,089.85-177,829.79

Finding the Fourth Proportional to 216,408.47, 326,089.85 and 177,829.79

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Solution

The fourth proportional to 216,408.47, 326,089.85 and 177,829.79 is: 267,958.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,408.47 : 326,089.85 = 177,829.79 : x
  2. Step 2: Convert to fraction form
    216,408.47/326,089.85 = 177,829.79/x
  3. Step 3: Cross multiply
    216,408.47x = 326,089.85 × 177,829.79
  4. Step 4: Simplify right side
    216,408.47x = 57,988,487,971.88
  5. Step 5: Solve for x
    x = 57,988,487,971.88/216,408.47
  6. Step 6: Final answer
    x = 267,958.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.