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Finding the Fourth Proportional to 366,255, 551,878.16 and 301,153.50

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Solution

The fourth proportional to 366,255, 551,878.16 and 301,153.50 is: 453,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,255 : 551,878.16 = 301,153.50 : x
  2. Step 2: Convert to fraction form
    366,255/551,878.16 = 301,153.50/x
  3. Step 3: Cross multiply
    366,255x = 551,878.16 × 301,153.50
  4. Step 4: Simplify right side
    366,255x = 166,200,037,951.79
  5. Step 5: Solve for x
    x = 166,200,037,951.79/366,255
  6. Step 6: Final answer
    x = 453,782.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.