Home / 305,619.48-458,325.36-105,893.24

Finding the Fourth Proportional to 305,619.48, 458,325.36 and 105,893.24

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Solution

The fourth proportional to 305,619.48, 458,325.36 and 105,893.24 is: 158,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,619.48 : 458,325.36 = 105,893.24 : x
  2. Step 2: Convert to fraction form
    305,619.48/458,325.36 = 105,893.24/x
  3. Step 3: Cross multiply
    305,619.48x = 458,325.36 × 105,893.24
  4. Step 4: Simplify right side
    305,619.48x = 48,533,555,052.94
  5. Step 5: Solve for x
    x = 48,533,555,052.94/305,619.48
  6. Step 6: Final answer
    x = 158,803.87

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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.