Home / 670,874.28-1,006,106.58-191,141.25

Finding the Fourth Proportional to 670,874.28, 1,006,106.58 and 191,141.25

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Solution

The fourth proportional to 670,874.28, 1,006,106.58 and 191,141.25 is: 286,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,874.28 : 1,006,106.58 = 191,141.25 : x
  2. Step 2: Convert to fraction form
    670,874.28/1,006,106.58 = 191,141.25/x
  3. Step 3: Cross multiply
    670,874.28x = 1,006,106.58 × 191,141.25
  4. Step 4: Simplify right side
    670,874.28x = 192,308,469,334.43
  5. Step 5: Solve for x
    x = 192,308,469,334.43/670,874.28
  6. Step 6: Final answer
    x = 286,653.51

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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.