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Finding the Fourth Proportional to 249,196.98, 373,750.36 and 71,660.42

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Solution

The fourth proportional to 249,196.98, 373,750.36 and 71,660.42 is: 107,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,196.98 : 373,750.36 = 71,660.42 : x
  2. Step 2: Convert to fraction form
    249,196.98/373,750.36 = 71,660.42/x
  3. Step 3: Cross multiply
    249,196.98x = 373,750.36 × 71,660.42
  4. Step 4: Simplify right side
    249,196.98x = 26,783,107,772.75
  5. Step 5: Solve for x
    x = 26,783,107,772.75/249,196.98
  6. Step 6: Final answer
    x = 107,477.66

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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.