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Finding the Fourth Proportional to 342,786.80, 514,180.20 and 230,812.40

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Solution

The fourth proportional to 342,786.80, 514,180.20 and 230,812.40 is: 346,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,786.80 : 514,180.20 = 230,812.40 : x
  2. Step 2: Convert to fraction form
    342,786.80/514,180.20 = 230,812.40/x
  3. Step 3: Cross multiply
    342,786.80x = 514,180.20 × 230,812.40
  4. Step 4: Simplify right side
    342,786.80x = 118,679,165,994.48
  5. Step 5: Solve for x
    x = 118,679,165,994.48/342,786.80
  6. Step 6: Final answer
    x = 346,218.60

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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.