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Finding the Fourth Proportional to 253,237.58, 379,716.12 and 103,582.94

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Solution

The fourth proportional to 253,237.58, 379,716.12 and 103,582.94 is: 155,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,237.58 : 379,716.12 = 103,582.94 : x
  2. Step 2: Convert to fraction form
    253,237.58/379,716.12 = 103,582.94/x
  3. Step 3: Cross multiply
    253,237.58x = 379,716.12 × 103,582.94
  4. Step 4: Simplify right side
    253,237.58x = 39,332,112,074.99
  5. Step 5: Solve for x
    x = 39,332,112,074.99/253,237.58
  6. Step 6: Final answer
    x = 155,317.04

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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.