Home / 303,899.68-455,868.97-116,911.18

Finding the Fourth Proportional to 303,899.68, 455,868.97 and 116,911.18

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Solution

The fourth proportional to 303,899.68, 455,868.97 and 116,911.18 is: 175,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,899.68 : 455,868.97 = 116,911.18 : x
  2. Step 2: Convert to fraction form
    303,899.68/455,868.97 = 116,911.18/x
  3. Step 3: Cross multiply
    303,899.68x = 455,868.97 × 116,911.18
  4. Step 4: Simplify right side
    303,899.68x = 53,296,180,406.11
  5. Step 5: Solve for x
    x = 53,296,180,406.11/303,899.68
  6. Step 6: Final answer
    x = 175,374.25

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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.