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Finding the Fourth Proportional to 340,056.80, 510,085.20 and 182,592.80

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Solution

The fourth proportional to 340,056.80, 510,085.20 and 182,592.80 is: 273,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,056.80 : 510,085.20 = 182,592.80 : x
  2. Step 2: Convert to fraction form
    340,056.80/510,085.20 = 182,592.80/x
  3. Step 3: Cross multiply
    340,056.80x = 510,085.20 × 182,592.80
  4. Step 4: Simplify right side
    340,056.80x = 93,137,884,906.56
  5. Step 5: Solve for x
    x = 93,137,884,906.56/340,056.80
  6. Step 6: Final answer
    x = 273,889.20

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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.