Home / 303,784.16-455,417.76-185,538.44

Finding the Fourth Proportional to 303,784.16, 455,417.76 and 185,538.44

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Solution

The fourth proportional to 303,784.16, 455,417.76 and 185,538.44 is: 278,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,784.16 : 455,417.76 = 185,538.44 : x
  2. Step 2: Convert to fraction form
    303,784.16/455,417.76 = 185,538.44/x
  3. Step 3: Cross multiply
    303,784.16x = 455,417.76 × 185,538.44
  4. Step 4: Simplify right side
    303,784.16x = 84,497,500,738.69
  5. Step 5: Solve for x
    x = 84,497,500,738.69/303,784.16
  6. Step 6: Final answer
    x = 278,149.79

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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.