Home / 371,738.40-557,628.84-105,477.90

Finding the Fourth Proportional to 371,738.40, 557,628.84 and 105,477.90

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Solution

The fourth proportional to 371,738.40, 557,628.84 and 105,477.90 is: 158,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,738.40 : 557,628.84 = 105,477.90 : x
  2. Step 2: Convert to fraction form
    371,738.40/557,628.84 = 105,477.90/x
  3. Step 3: Cross multiply
    371,738.40x = 557,628.84 × 105,477.90
  4. Step 4: Simplify right side
    371,738.40x = 58,817,519,022.64
  5. Step 5: Solve for x
    x = 58,817,519,022.64/371,738.40
  6. Step 6: Final answer
    x = 158,222.88

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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.