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Finding the Fourth Proportional to 366,934.05, 550,401.08 and 317,070.45

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Solution

The fourth proportional to 366,934.05, 550,401.08 and 317,070.45 is: 475,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,934.05 : 550,401.08 = 317,070.45 : x
  2. Step 2: Convert to fraction form
    366,934.05/550,401.08 = 317,070.45/x
  3. Step 3: Cross multiply
    366,934.05x = 550,401.08 × 317,070.45
  4. Step 4: Simplify right side
    366,934.05x = 174,515,916,530.73
  5. Step 5: Solve for x
    x = 174,515,916,530.73/366,934.05
  6. Step 6: Final answer
    x = 475,605.68

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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.