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Finding the Fourth Proportional to 226,502.10, 312,573.10 and 124,529.30

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Solution

The fourth proportional to 226,502.10, 312,573.10 and 124,529.30 is: 171,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,502.10 : 312,573.10 = 124,529.30 : x
  2. Step 2: Convert to fraction form
    226,502.10/312,573.10 = 124,529.30/x
  3. Step 3: Cross multiply
    226,502.10x = 312,573.10 × 124,529.30
  4. Step 4: Simplify right side
    226,502.10x = 38,924,509,341.83
  5. Step 5: Solve for x
    x = 38,924,509,341.83/226,502.10
  6. Step 6: Final answer
    x = 171,850.55

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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.