Home / 346,055.20-519,082.80-252,743.20

Finding the Fourth Proportional to 346,055.20, 519,082.80 and 252,743.20

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Solution

The fourth proportional to 346,055.20, 519,082.80 and 252,743.20 is: 379,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,055.20 : 519,082.80 = 252,743.20 : x
  2. Step 2: Convert to fraction form
    346,055.20/519,082.80 = 252,743.20/x
  3. Step 3: Cross multiply
    346,055.20x = 519,082.80 × 252,743.20
  4. Step 4: Simplify right side
    346,055.20x = 131,194,647,936.96
  5. Step 5: Solve for x
    x = 131,194,647,936.96/346,055.20
  6. Step 6: Final answer
    x = 379,114.80

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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.