Home / 354,557.20-531,835.80-242,582.80

Finding the Fourth Proportional to 354,557.20, 531,835.80 and 242,582.80

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Solution

The fourth proportional to 354,557.20, 531,835.80 and 242,582.80 is: 363,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,557.20 : 531,835.80 = 242,582.80 : x
  2. Step 2: Convert to fraction form
    354,557.20/531,835.80 = 242,582.80/x
  3. Step 3: Cross multiply
    354,557.20x = 531,835.80 × 242,582.80
  4. Step 4: Simplify right side
    354,557.20x = 129,014,217,504.24
  5. Step 5: Solve for x
    x = 129,014,217,504.24/354,557.20
  6. Step 6: Final answer
    x = 363,874.20

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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.