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Finding the Fourth Proportional to 323,014.04, 484,484.15 and 86,375.17

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Solution

The fourth proportional to 323,014.04, 484,484.15 and 86,375.17 is: 129,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,014.04 : 484,484.15 = 86,375.17 : x
  2. Step 2: Convert to fraction form
    323,014.04/484,484.15 = 86,375.17/x
  3. Step 3: Cross multiply
    323,014.04x = 484,484.15 × 86,375.17
  4. Step 4: Simplify right side
    323,014.04x = 41,847,401,640.10
  5. Step 5: Solve for x
    x = 41,847,401,640.10/323,014.04
  6. Step 6: Final answer
    x = 129,552.89

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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.