Home / 303,555.26-455,339.07-104,104.91

Finding the Fourth Proportional to 303,555.26, 455,339.07 and 104,104.91

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Solution

The fourth proportional to 303,555.26, 455,339.07 and 104,104.91 is: 156,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,555.26 : 455,339.07 = 104,104.91 : x
  2. Step 2: Convert to fraction form
    303,555.26/455,339.07 = 104,104.91/x
  3. Step 3: Cross multiply
    303,555.26x = 455,339.07 × 104,104.91
  4. Step 4: Simplify right side
    303,555.26x = 47,403,034,040.18
  5. Step 5: Solve for x
    x = 47,403,034,040.18/303,555.26
  6. Step 6: Final answer
    x = 156,159.49

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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.