Home / 477,134.31-658,381.65-295,780.17

Finding the Fourth Proportional to 477,134.31, 658,381.65 and 295,780.17

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Solution

The fourth proportional to 477,134.31, 658,381.65 and 295,780.17 is: 408,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,134.31 : 658,381.65 = 295,780.17 : x
  2. Step 2: Convert to fraction form
    477,134.31/658,381.65 = 295,780.17/x
  3. Step 3: Cross multiply
    477,134.31x = 658,381.65 × 295,780.17
  4. Step 4: Simplify right side
    477,134.31x = 194,736,236,361.88
  5. Step 5: Solve for x
    x = 194,736,236,361.88/477,134.31
  6. Step 6: Final answer
    x = 408,137.15

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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.