Home / 341,724.80-512,587.20-141,978.80

Finding the Fourth Proportional to 341,724.80, 512,587.20 and 141,978.80

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Solution

The fourth proportional to 341,724.80, 512,587.20 and 141,978.80 is: 212,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,724.80 : 512,587.20 = 141,978.80 : x
  2. Step 2: Convert to fraction form
    341,724.80/512,587.20 = 141,978.80/x
  3. Step 3: Cross multiply
    341,724.80x = 512,587.20 × 141,978.80
  4. Step 4: Simplify right side
    341,724.80x = 72,776,515,551.36
  5. Step 5: Solve for x
    x = 72,776,515,551.36/341,724.80
  6. Step 6: Final answer
    x = 212,968.20

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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.