Home / 217,417.05-326,222.67-84,307.73

Finding the Fourth Proportional to 217,417.05, 326,222.67 and 84,307.73

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Solution

The fourth proportional to 217,417.05, 326,222.67 and 84,307.73 is: 126,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,417.05 : 326,222.67 = 84,307.73 : x
  2. Step 2: Convert to fraction form
    217,417.05/326,222.67 = 84,307.73/x
  3. Step 3: Cross multiply
    217,417.05x = 326,222.67 × 84,307.73
  4. Step 4: Simplify right side
    217,417.05x = 27,503,091,151.13
  5. Step 5: Solve for x
    x = 27,503,091,151.13/217,417.05
  6. Step 6: Final answer
    x = 126,499.24

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1.5x scale

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.