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Finding the Fourth Proportional to 323,170.88, 484,782.24 and 112,804.16

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Solution

The fourth proportional to 323,170.88, 484,782.24 and 112,804.16 is: 169,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,170.88 : 484,782.24 = 112,804.16 : x
  2. Step 2: Convert to fraction form
    323,170.88/484,782.24 = 112,804.16/x
  3. Step 3: Cross multiply
    323,170.88x = 484,782.24 × 112,804.16
  4. Step 4: Simplify right side
    323,170.88x = 54,685,453,366.12
  5. Step 5: Solve for x
    x = 54,685,453,366.12/323,170.88
  6. Step 6: Final answer
    x = 169,215.29

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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.