Home / 217,118.56-326,176.80-154,095.16

Finding the Fourth Proportional to 217,118.56, 326,176.80 and 154,095.16

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Solution

The fourth proportional to 217,118.56, 326,176.80 and 154,095.16 is: 231,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,118.56 : 326,176.80 = 154,095.16 : x
  2. Step 2: Convert to fraction form
    217,118.56/326,176.80 = 154,095.16/x
  3. Step 3: Cross multiply
    217,118.56x = 326,176.80 × 154,095.16
  4. Step 4: Simplify right side
    217,118.56x = 50,262,266,184.29
  5. Step 5: Solve for x
    x = 50,262,266,184.29/217,118.56
  6. Step 6: Final answer
    x = 231,496.87

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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.