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Finding the Fourth Proportional to 366,915.35, 550,373.03 and 338,046.95

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Solution

The fourth proportional to 366,915.35, 550,373.03 and 338,046.95 is: 507,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.35 : 550,373.03 = 338,046.95 : x
  2. Step 2: Convert to fraction form
    366,915.35/550,373.03 = 338,046.95/x
  3. Step 3: Cross multiply
    366,915.35x = 550,373.03 × 338,046.95
  4. Step 4: Simplify right side
    366,915.35x = 186,051,924,153.76
  5. Step 5: Solve for x
    x = 186,051,924,153.76/366,915.35
  6. Step 6: Final answer
    x = 507,070.43

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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.