Home / 671,440.14-1,007,344.90-198,125.50

Finding the Fourth Proportional to 671,440.14, 1,007,344.90 and 198,125.50

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Solution

The fourth proportional to 671,440.14, 1,007,344.90 and 198,125.50 is: 297,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,440.14 : 1,007,344.90 = 198,125.50 : x
  2. Step 2: Convert to fraction form
    671,440.14/1,007,344.90 = 198,125.50/x
  3. Step 3: Cross multiply
    671,440.14x = 1,007,344.90 × 198,125.50
  4. Step 4: Simplify right side
    671,440.14x = 199,580,705,957.60
  5. Step 5: Solve for x
    x = 199,580,705,957.60/671,440.14
  6. Step 6: Final answer
    x = 297,242.74

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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.