Home / 354,025.98-531,260.42-143,663.93

Finding the Fourth Proportional to 354,025.98, 531,260.42 and 143,663.93

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Solution

The fourth proportional to 354,025.98, 531,260.42 and 143,663.93 is: 215,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,025.98 : 531,260.42 = 143,663.93 : x
  2. Step 2: Convert to fraction form
    354,025.98/531,260.42 = 143,663.93/x
  3. Step 3: Cross multiply
    354,025.98x = 531,260.42 × 143,663.93
  4. Step 4: Simplify right side
    354,025.98x = 76,322,956,416.03
  5. Step 5: Solve for x
    x = 76,322,956,416.03/354,025.98
  6. Step 6: Final answer
    x = 215,585.75

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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.