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Finding the Fourth Proportional to 259,730.70, 389,596.05 and 249,233.10

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Solution

The fourth proportional to 259,730.70, 389,596.05 and 249,233.10 is: 373,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,730.70 : 389,596.05 = 249,233.10 : x
  2. Step 2: Convert to fraction form
    259,730.70/389,596.05 = 249,233.10/x
  3. Step 3: Cross multiply
    259,730.70x = 389,596.05 × 249,233.10
  4. Step 4: Simplify right side
    259,730.70x = 97,100,231,289.26
  5. Step 5: Solve for x
    x = 97,100,231,289.26/259,730.70
  6. Step 6: Final answer
    x = 373,849.65

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Similar ratio
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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.