Home / 378,427.50-567,719.15-153,787.46

Finding the Fourth Proportional to 378,427.50, 567,719.15 and 153,787.46

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Solution

The fourth proportional to 378,427.50, 567,719.15 and 153,787.46 is: 230,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,427.50 : 567,719.15 = 153,787.46 : x
  2. Step 2: Convert to fraction form
    378,427.50/567,719.15 = 153,787.46/x
  3. Step 3: Cross multiply
    378,427.50x = 567,719.15 × 153,787.46
  4. Step 4: Simplify right side
    378,427.50x = 87,308,082,464.33
  5. Step 5: Solve for x
    x = 87,308,082,464.33/378,427.50
  6. Step 6: Final answer
    x = 230,712.84

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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.