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Finding the Fourth Proportional to 220,533.98, 330,647.88 and 120,741.17

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Solution

The fourth proportional to 220,533.98, 330,647.88 and 120,741.17 is: 181,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,533.98 : 330,647.88 = 120,741.17 : x
  2. Step 2: Convert to fraction form
    220,533.98/330,647.88 = 120,741.17/x
  3. Step 3: Cross multiply
    220,533.98x = 330,647.88 × 120,741.17
  4. Step 4: Simplify right side
    220,533.98x = 39,922,811,889.22
  5. Step 5: Solve for x
    x = 39,922,811,889.22/220,533.98
  6. Step 6: Final answer
    x = 181,027.94

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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.