Home / 201,217.71-301,835.79-142,316.33

Finding the Fourth Proportional to 201,217.71, 301,835.79 and 142,316.33

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Solution

The fourth proportional to 201,217.71, 301,835.79 and 142,316.33 is: 213,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,217.71 : 301,835.79 = 142,316.33 : x
  2. Step 2: Convert to fraction form
    201,217.71/301,835.79 = 142,316.33/x
  3. Step 3: Cross multiply
    201,217.71x = 301,835.79 × 142,316.33
  4. Step 4: Simplify right side
    201,217.71x = 42,956,161,895.45
  5. Step 5: Solve for x
    x = 42,956,161,895.45/201,217.71
  6. Step 6: Final answer
    x = 213,481.02

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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.