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Finding the Fourth Proportional to 166,466.24, 249,724.22 and 61,277.21

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Solution

The fourth proportional to 166,466.24, 249,724.22 and 61,277.21 is: 91,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,466.24 : 249,724.22 = 61,277.21 : x
  2. Step 2: Convert to fraction form
    166,466.24/249,724.22 = 61,277.21/x
  3. Step 3: Cross multiply
    166,466.24x = 249,724.22 × 61,277.21
  4. Step 4: Simplify right side
    166,466.24x = 15,302,403,471.03
  5. Step 5: Solve for x
    x = 15,302,403,471.03/166,466.24
  6. Step 6: Final answer
    x = 91,924.97

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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.