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Finding the Fourth Proportional to 404,526.75, 606,910.88 and 120,226.74

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Solution

The fourth proportional to 404,526.75, 606,910.88 and 120,226.74 is: 180,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,526.75 : 606,910.88 = 120,226.74 : x
  2. Step 2: Convert to fraction form
    404,526.75/606,910.88 = 120,226.74/x
  3. Step 3: Cross multiply
    404,526.75x = 606,910.88 × 120,226.74
  4. Step 4: Simplify right side
    404,526.75x = 72,966,916,572.93
  5. Step 5: Solve for x
    x = 72,966,916,572.93/404,526.75
  6. Step 6: Final answer
    x = 180,376.00

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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.