Home / 671,439.31-1,007,186.74-198,124.67

Finding the Fourth Proportional to 671,439.31, 1,007,186.74 and 198,124.67

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Solution

The fourth proportional to 671,439.31, 1,007,186.74 and 198,124.67 is: 297,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,439.31 : 1,007,186.74 = 198,124.67 : x
  2. Step 2: Convert to fraction form
    671,439.31/1,007,186.74 = 198,124.67/x
  3. Step 3: Cross multiply
    671,439.31x = 1,007,186.74 × 198,124.67
  4. Step 4: Simplify right side
    671,439.31x = 199,548,542,513.53
  5. Step 5: Solve for x
    x = 199,548,542,513.53/671,439.31
  6. Step 6: Final answer
    x = 297,195.20

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Double scale
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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.