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Finding the Fourth Proportional to 199,283.64, 298,931.22 and 74,600.76

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Solution

The fourth proportional to 199,283.64, 298,931.22 and 74,600.76 is: 111,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,283.64 : 298,931.22 = 74,600.76 : x
  2. Step 2: Convert to fraction form
    199,283.64/298,931.22 = 74,600.76/x
  3. Step 3: Cross multiply
    199,283.64x = 298,931.22 × 74,600.76
  4. Step 4: Simplify right side
    199,283.64x = 22,300,496,199.73
  5. Step 5: Solve for x
    x = 22,300,496,199.73/199,283.64
  6. Step 6: Final answer
    x = 111,903.30

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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.