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Finding the Fourth Proportional to 253,682.33, 380,400.77 and 93,649.82

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Solution

The fourth proportional to 253,682.33, 380,400.77 and 93,649.82 is: 140,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,682.33 : 380,400.77 = 93,649.82 : x
  2. Step 2: Convert to fraction form
    253,682.33/380,400.77 = 93,649.82/x
  3. Step 3: Cross multiply
    253,682.33x = 380,400.77 × 93,649.82
  4. Step 4: Simplify right side
    253,682.33x = 35,624,461,268.11
  5. Step 5: Solve for x
    x = 35,624,461,268.11/253,682.33
  6. Step 6: Final answer
    x = 140,429.42

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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.