Home / 307,555.14-424,600.47-200,071.38

Finding the Fourth Proportional to 307,555.14, 424,600.47 and 200,071.38

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Solution

The fourth proportional to 307,555.14, 424,600.47 and 200,071.38 is: 276,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,555.14 : 424,600.47 = 200,071.38 : x
  2. Step 2: Convert to fraction form
    307,555.14/424,600.47 = 200,071.38/x
  3. Step 3: Cross multiply
    307,555.14x = 424,600.47 × 200,071.38
  4. Step 4: Simplify right side
    307,555.14x = 84,950,401,981.55
  5. Step 5: Solve for x
    x = 84,950,401,981.55/307,555.14
  6. Step 6: Final answer
    x = 276,211.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.