Home / 377,787.12-521,352.72-205,710

Finding the Fourth Proportional to 377,787.12, 521,352.72 and 205,710

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Solution

The fourth proportional to 377,787.12, 521,352.72 and 205,710 is: 283,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,787.12 : 521,352.72 = 205,710 : x
  2. Step 2: Convert to fraction form
    377,787.12/521,352.72 = 205,710/x
  3. Step 3: Cross multiply
    377,787.12x = 521,352.72 × 205,710
  4. Step 4: Simplify right side
    377,787.12x = 107,247,468,031.20
  5. Step 5: Solve for x
    x = 107,247,468,031.20/377,787.12
  6. Step 6: Final answer
    x = 283,883.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.