Home / 397,336.20-596,378.88-144,860.73

Finding the Fourth Proportional to 397,336.20, 596,378.88 and 144,860.73

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Solution

The fourth proportional to 397,336.20, 596,378.88 and 144,860.73 is: 217,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,336.20 : 596,378.88 = 144,860.73 : x
  2. Step 2: Convert to fraction form
    397,336.20/596,378.88 = 144,860.73/x
  3. Step 3: Cross multiply
    397,336.20x = 596,378.88 × 144,860.73
  4. Step 4: Simplify right side
    397,336.20x = 86,391,879,913.38
  5. Step 5: Solve for x
    x = 86,391,879,913.38/397,336.20
  6. Step 6: Final answer
    x = 217,427.66

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1.5x scale

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.