Home / 329,513.10-493,613.55-189,107.70

Finding the Fourth Proportional to 329,513.10, 493,613.55 and 189,107.70

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Solution

The fourth proportional to 329,513.10, 493,613.55 and 189,107.70 is: 283,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,513.10 : 493,613.55 = 189,107.70 : x
  2. Step 2: Convert to fraction form
    329,513.10/493,613.55 = 189,107.70/x
  3. Step 3: Cross multiply
    329,513.10x = 493,613.55 × 189,107.70
  4. Step 4: Simplify right side
    329,513.10x = 93,346,123,129.34
  5. Step 5: Solve for x
    x = 93,346,123,129.34/329,513.10
  6. Step 6: Final answer
    x = 283,285.01

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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.