Home / 367,409.02-551,148.38-142,786.80

Finding the Fourth Proportional to 367,409.02, 551,148.38 and 142,786.80

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Solution

The fourth proportional to 367,409.02, 551,148.38 and 142,786.80 is: 214,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,409.02 : 551,148.38 = 142,786.80 : x
  2. Step 2: Convert to fraction form
    367,409.02/551,148.38 = 142,786.80/x
  3. Step 3: Cross multiply
    367,409.02x = 551,148.38 × 142,786.80
  4. Step 4: Simplify right side
    367,409.02x = 78,696,712,791.45
  5. Step 5: Solve for x
    x = 78,696,712,791.45/367,409.02
  6. Step 6: Final answer
    x = 214,193.74

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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.