Home / 285,487.20-428,237.64-95,950.32

Finding the Fourth Proportional to 285,487.20, 428,237.64 and 95,950.32

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Solution

The fourth proportional to 285,487.20, 428,237.64 and 95,950.32 is: 143,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,487.20 : 428,237.64 = 95,950.32 : x
  2. Step 2: Convert to fraction form
    285,487.20/428,237.64 = 95,950.32/x
  3. Step 3: Cross multiply
    285,487.20x = 428,237.64 × 95,950.32
  4. Step 4: Simplify right side
    285,487.20x = 41,089,538,594.04
  5. Step 5: Solve for x
    x = 41,089,538,594.04/285,487.20
  6. Step 6: Final answer
    x = 143,927.78

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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.