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Finding the Fourth Proportional to 200,356.87, 276,492.92 and 108,477.12

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Solution

The fourth proportional to 200,356.87, 276,492.92 and 108,477.12 is: 149,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,356.87 : 276,492.92 = 108,477.12 : x
  2. Step 2: Convert to fraction form
    200,356.87/276,492.92 = 108,477.12/x
  3. Step 3: Cross multiply
    200,356.87x = 276,492.92 × 108,477.12
  4. Step 4: Simplify right side
    200,356.87x = 29,993,156,461.55
  5. Step 5: Solve for x
    x = 29,993,156,461.55/200,356.87
  6. Step 6: Final answer
    x = 149,698.67

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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.