Home / 217,007.15-326,011.01-208,039.23

Finding the Fourth Proportional to 217,007.15, 326,011.01 and 208,039.23

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Solution

The fourth proportional to 217,007.15, 326,011.01 and 208,039.23 is: 312,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,007.15 : 326,011.01 = 208,039.23 : x
  2. Step 2: Convert to fraction form
    217,007.15/326,011.01 = 208,039.23/x
  3. Step 3: Cross multiply
    217,007.15x = 326,011.01 × 208,039.23
  4. Step 4: Simplify right side
    217,007.15x = 67,823,078,451.73
  5. Step 5: Solve for x
    x = 67,823,078,451.73/217,007.15
  6. Step 6: Final answer
    x = 312,538.46

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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.