Home / 346,077.20-519,261.60-188,418.80

Finding the Fourth Proportional to 346,077.20, 519,261.60 and 188,418.80

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Solution

The fourth proportional to 346,077.20, 519,261.60 and 188,418.80 is: 282,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,077.20 : 519,261.60 = 188,418.80 : x
  2. Step 2: Convert to fraction form
    346,077.20/519,261.60 = 188,418.80/x
  3. Step 3: Cross multiply
    346,077.20x = 519,261.60 × 188,418.80
  4. Step 4: Simplify right side
    346,077.20x = 97,838,647,558.08
  5. Step 5: Solve for x
    x = 97,838,647,558.08/346,077.20
  6. Step 6: Final answer
    x = 282,707.58

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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.