Home / 280,055.04-419,942.40-93,000.96

Finding the Fourth Proportional to 280,055.04, 419,942.40 and 93,000.96

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Solution

The fourth proportional to 280,055.04, 419,942.40 and 93,000.96 is: 139,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,055.04 : 419,942.40 = 93,000.96 : x
  2. Step 2: Convert to fraction form
    280,055.04/419,942.40 = 93,000.96/x
  3. Step 3: Cross multiply
    280,055.04x = 419,942.40 × 93,000.96
  4. Step 4: Simplify right side
    280,055.04x = 39,055,046,344.70
  5. Step 5: Solve for x
    x = 39,055,046,344.70/280,055.04
  6. Step 6: Final answer
    x = 139,454.90

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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.