Home / 353,917.56-531,094.50-143,557.32

Finding the Fourth Proportional to 353,917.56, 531,094.50 and 143,557.32

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Solution

The fourth proportional to 353,917.56, 531,094.50 and 143,557.32 is: 215,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,917.56 : 531,094.50 = 143,557.32 : x
  2. Step 2: Convert to fraction form
    353,917.56/531,094.50 = 143,557.32/x
  3. Step 3: Cross multiply
    353,917.56x = 531,094.50 × 143,557.32
  4. Step 4: Simplify right side
    353,917.56x = 76,242,503,086.74
  5. Step 5: Solve for x
    x = 76,242,503,086.74/353,917.56
  6. Step 6: Final answer
    x = 215,424.47

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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.