Home / 305,329.45-457,884.42-105,595.60

Finding the Fourth Proportional to 305,329.45, 457,884.42 and 105,595.60

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Solution

The fourth proportional to 305,329.45, 457,884.42 and 105,595.60 is: 158,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,329.45 : 457,884.42 = 105,595.60 : x
  2. Step 2: Convert to fraction form
    305,329.45/457,884.42 = 105,595.60/x
  3. Step 3: Cross multiply
    305,329.45x = 457,884.42 × 105,595.60
  4. Step 4: Simplify right side
    305,329.45x = 48,350,580,060.55
  5. Step 5: Solve for x
    x = 48,350,580,060.55/305,329.45
  6. Step 6: Final answer
    x = 158,355.44

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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.