Home / 217,048.06-326,072.40-208,080.22

Finding the Fourth Proportional to 217,048.06, 326,072.40 and 208,080.22

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Solution

The fourth proportional to 217,048.06, 326,072.40 and 208,080.22 is: 312,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,048.06 : 326,072.40 = 208,080.22 : x
  2. Step 2: Convert to fraction form
    217,048.06/326,072.40 = 208,080.22/x
  3. Step 3: Cross multiply
    217,048.06x = 326,072.40 × 208,080.22
  4. Step 4: Simplify right side
    217,048.06x = 67,849,216,727.93
  5. Step 5: Solve for x
    x = 67,849,216,727.93/217,048.06
  6. Step 6: Final answer
    x = 312,599.97

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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.