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Finding the Fourth Proportional to 364,229.76, 502,525.52 and 211,236.96

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Solution

The fourth proportional to 364,229.76, 502,525.52 and 211,236.96 is: 291,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,229.76 : 502,525.52 = 211,236.96 : x
  2. Step 2: Convert to fraction form
    364,229.76/502,525.52 = 211,236.96/x
  3. Step 3: Cross multiply
    364,229.76x = 502,525.52 × 211,236.96
  4. Step 4: Simplify right side
    364,229.76x = 106,151,963,167.22
  5. Step 5: Solve for x
    x = 106,151,963,167.22/364,229.76
  6. Step 6: Final answer
    x = 291,442.31

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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.