Home / 329,032.08-493,558.20-112,887.78

Finding the Fourth Proportional to 329,032.08, 493,558.20 and 112,887.78

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Solution

The fourth proportional to 329,032.08, 493,558.20 and 112,887.78 is: 169,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,032.08 : 493,558.20 = 112,887.78 : x
  2. Step 2: Convert to fraction form
    329,032.08/493,558.20 = 112,887.78/x
  3. Step 3: Cross multiply
    329,032.08x = 493,558.20 × 112,887.78
  4. Step 4: Simplify right side
    329,032.08x = 55,716,689,498.80
  5. Step 5: Solve for x
    x = 55,716,689,498.80/329,032.08
  6. Step 6: Final answer
    x = 169,335.13

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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.