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Finding the Fourth Proportional to 373,350.24, 515,136.24 and 212,192.64

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Solution

The fourth proportional to 373,350.24, 515,136.24 and 212,192.64 is: 292,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,350.24 : 515,136.24 = 212,192.64 : x
  2. Step 2: Convert to fraction form
    373,350.24/515,136.24 = 212,192.64/x
  3. Step 3: Cross multiply
    373,350.24x = 515,136.24 × 212,192.64
  4. Step 4: Simplify right side
    373,350.24x = 109,308,118,725.27
  5. Step 5: Solve for x
    x = 109,308,118,725.27/373,350.24
  6. Step 6: Final answer
    x = 292,776.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.