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Finding the Fourth Proportional to 301,152.30, 451,424.70 and 111,490.80

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Solution

The fourth proportional to 301,152.30, 451,424.70 and 111,490.80 is: 167,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,152.30 : 451,424.70 = 111,490.80 : x
  2. Step 2: Convert to fraction form
    301,152.30/451,424.70 = 111,490.80/x
  3. Step 3: Cross multiply
    301,152.30x = 451,424.70 × 111,490.80
  4. Step 4: Simplify right side
    301,152.30x = 50,329,700,942.76
  5. Step 5: Solve for x
    x = 50,329,700,942.76/301,152.30
  6. Step 6: Final answer
    x = 167,123.75

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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.