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Finding the Fourth Proportional to 301,320.80, 451,966.80 and 101,621.60

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Solution

The fourth proportional to 301,320.80, 451,966.80 and 101,621.60 is: 152,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,320.80 : 451,966.80 = 101,621.60 : x
  2. Step 2: Convert to fraction form
    301,320.80/451,966.80 = 101,621.60/x
  3. Step 3: Cross multiply
    301,320.80x = 451,966.80 × 101,621.60
  4. Step 4: Simplify right side
    301,320.80x = 45,929,589,362.88
  5. Step 5: Solve for x
    x = 45,929,589,362.88/301,320.80
  6. Step 6: Final answer
    x = 152,427.54

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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.