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Finding the Fourth Proportional to 312,101.10, 468,151.65 and 303,353.10

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Solution

The fourth proportional to 312,101.10, 468,151.65 and 303,353.10 is: 455,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,101.10 : 468,151.65 = 303,353.10 : x
  2. Step 2: Convert to fraction form
    312,101.10/468,151.65 = 303,353.10/x
  3. Step 3: Cross multiply
    312,101.10x = 468,151.65 × 303,353.10
  4. Step 4: Simplify right side
    312,101.10x = 142,015,254,297.62
  5. Step 5: Solve for x
    x = 142,015,254,297.62/312,101.10
  6. Step 6: Final answer
    x = 455,029.65

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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.