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Finding the Fourth Proportional to 203,647.71, 305,499.35 and 118,298.67

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Solution

The fourth proportional to 203,647.71, 305,499.35 and 118,298.67 is: 177,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,647.71 : 305,499.35 = 118,298.67 : x
  2. Step 2: Convert to fraction form
    203,647.71/305,499.35 = 118,298.67/x
  3. Step 3: Cross multiply
    203,647.71x = 305,499.35 × 118,298.67
  4. Step 4: Simplify right side
    203,647.71x = 36,140,166,199.37
  5. Step 5: Solve for x
    x = 36,140,166,199.37/203,647.71
  6. Step 6: Final answer
    x = 177,464.14

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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.