Home / 341,865.48-512,981.82-142,323.60

Finding the Fourth Proportional to 341,865.48, 512,981.82 and 142,323.60

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Solution

The fourth proportional to 341,865.48, 512,981.82 and 142,323.60 is: 213,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,865.48 : 512,981.82 = 142,323.60 : x
  2. Step 2: Convert to fraction form
    341,865.48/512,981.82 = 142,323.60/x
  3. Step 3: Cross multiply
    341,865.48x = 512,981.82 × 142,323.60
  4. Step 4: Simplify right side
    341,865.48x = 73,009,419,356.95
  5. Step 5: Solve for x
    x = 73,009,419,356.95/341,865.48
  6. Step 6: Final answer
    x = 213,561.84

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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.