Home / 305,441.08-458,051.84-105,707.24

Finding the Fourth Proportional to 305,441.08, 458,051.84 and 105,707.24

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Solution

The fourth proportional to 305,441.08, 458,051.84 and 105,707.24 is: 158,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,441.08 : 458,051.84 = 105,707.24 : x
  2. Step 2: Convert to fraction form
    305,441.08/458,051.84 = 105,707.24/x
  3. Step 3: Cross multiply
    305,441.08x = 458,051.84 × 105,707.24
  4. Step 4: Simplify right side
    305,441.08x = 48,419,395,783.32
  5. Step 5: Solve for x
    x = 48,419,395,783.32/305,441.08
  6. Step 6: Final answer
    x = 158,522.87

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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.