Home / 377,289.09-520,874.15-250,136.91

Finding the Fourth Proportional to 377,289.09, 520,874.15 and 250,136.91

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Solution

The fourth proportional to 377,289.09, 520,874.15 and 250,136.91 is: 345,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,289.09 : 520,874.15 = 250,136.91 : x
  2. Step 2: Convert to fraction form
    377,289.09/520,874.15 = 250,136.91/x
  3. Step 3: Cross multiply
    377,289.09x = 520,874.15 × 250,136.91
  4. Step 4: Simplify right side
    377,289.09x = 130,289,849,129.19
  5. Step 5: Solve for x
    x = 130,289,849,129.19/377,289.09
  6. Step 6: Final answer
    x = 345,331.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.