Home / 492,401.40-738,083.70-192,766.20

Finding the Fourth Proportional to 492,401.40, 738,083.70 and 192,766.20

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Solution

The fourth proportional to 492,401.40, 738,083.70 and 192,766.20 is: 288,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,401.40 : 738,083.70 = 192,766.20 : x
  2. Step 2: Convert to fraction form
    492,401.40/738,083.70 = 192,766.20/x
  3. Step 3: Cross multiply
    492,401.40x = 738,083.70 × 192,766.20
  4. Step 4: Simplify right side
    492,401.40x = 142,277,590,130.94
  5. Step 5: Solve for x
    x = 142,277,590,130.94/492,401.40
  6. Step 6: Final answer
    x = 288,946.36

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1.5x scale

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.