Home / 499,639.96-749,453.46-120,557.50

Finding the Fourth Proportional to 499,639.96, 749,453.46 and 120,557.50

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Solution

The fourth proportional to 499,639.96, 749,453.46 and 120,557.50 is: 180,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,639.96 : 749,453.46 = 120,557.50 : x
  2. Step 2: Convert to fraction form
    499,639.96/749,453.46 = 120,557.50/x
  3. Step 3: Cross multiply
    499,639.96x = 749,453.46 × 120,557.50
  4. Step 4: Simplify right side
    499,639.96x = 90,352,233,856.36
  5. Step 5: Solve for x
    x = 90,352,233,856.36/499,639.96
  6. Step 6: Final answer
    x = 180,834.68

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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.