Home / 217,543.32-326,323.82-103,632.56

Finding the Fourth Proportional to 217,543.32, 326,323.82 and 103,632.56

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Solution

The fourth proportional to 217,543.32, 326,323.82 and 103,632.56 is: 155,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,543.32 : 326,323.82 = 103,632.56 : x
  2. Step 2: Convert to fraction form
    217,543.32/326,323.82 = 103,632.56/x
  3. Step 3: Cross multiply
    217,543.32x = 326,323.82 × 103,632.56
  4. Step 4: Simplify right side
    217,543.32x = 33,817,772,855.58
  5. Step 5: Solve for x
    x = 33,817,772,855.58/217,543.32
  6. Step 6: Final answer
    x = 155,453.05

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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.