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Finding the Fourth Proportional to 335,904.96, 503,682.48 and 125,369.76

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Solution

The fourth proportional to 335,904.96, 503,682.48 and 125,369.76 is: 187,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,904.96 : 503,682.48 = 125,369.76 : x
  2. Step 2: Convert to fraction form
    335,904.96/503,682.48 = 125,369.76/x
  3. Step 3: Cross multiply
    335,904.96x = 503,682.48 × 125,369.76
  4. Step 4: Simplify right side
    335,904.96x = 63,146,551,633.80
  5. Step 5: Solve for x
    x = 63,146,551,633.80/335,904.96
  6. Step 6: Final answer
    x = 187,989.34

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1.5x scale

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.