Home / 217,740.51-326,483.64-84,465.03

Finding the Fourth Proportional to 217,740.51, 326,483.64 and 84,465.03

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Solution

The fourth proportional to 217,740.51, 326,483.64 and 84,465.03 is: 126,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,740.51 : 326,483.64 = 84,465.03 : x
  2. Step 2: Convert to fraction form
    217,740.51/326,483.64 = 84,465.03/x
  3. Step 3: Cross multiply
    217,740.51x = 326,483.64 × 84,465.03
  4. Step 4: Simplify right side
    217,740.51x = 27,576,450,447.11
  5. Step 5: Solve for x
    x = 27,576,450,447.11/217,740.51
  6. Step 6: Final answer
    x = 126,648.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.