Home / 284,745.20-426,534.60-144,582.80

Finding the Fourth Proportional to 284,745.20, 426,534.60 and 144,582.80

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Solution

The fourth proportional to 284,745.20, 426,534.60 and 144,582.80 is: 216,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,745.20 : 426,534.60 = 144,582.80 : x
  2. Step 2: Convert to fraction form
    284,745.20/426,534.60 = 144,582.80/x
  3. Step 3: Cross multiply
    284,745.20x = 426,534.60 × 144,582.80
  4. Step 4: Simplify right side
    284,745.20x = 61,669,566,764.88
  5. Step 5: Solve for x
    x = 61,669,566,764.88/284,745.20
  6. Step 6: Final answer
    x = 216,578.07

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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.