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Finding the Fourth Proportional to 401,025.84, 601,539.22 and 120,543.09

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Solution

The fourth proportional to 401,025.84, 601,539.22 and 120,543.09 is: 180,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,025.84 : 601,539.22 = 120,543.09 : x
  2. Step 2: Convert to fraction form
    401,025.84/601,539.22 = 120,543.09/x
  3. Step 3: Cross multiply
    401,025.84x = 601,539.22 × 120,543.09
  4. Step 4: Simplify right side
    401,025.84x = 72,511,396,334.99
  5. Step 5: Solve for x
    x = 72,511,396,334.99/401,025.84
  6. Step 6: Final answer
    x = 180,814.77

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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.