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Finding the Fourth Proportional to 329,008.80, 493,513.20 and 210,910.80

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Solution

The fourth proportional to 329,008.80, 493,513.20 and 210,910.80 is: 316,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,008.80 : 493,513.20 = 210,910.80 : x
  2. Step 2: Convert to fraction form
    329,008.80/493,513.20 = 210,910.80/x
  3. Step 3: Cross multiply
    329,008.80x = 493,513.20 × 210,910.80
  4. Step 4: Simplify right side
    329,008.80x = 104,087,263,822.56
  5. Step 5: Solve for x
    x = 104,087,263,822.56/329,008.80
  6. Step 6: Final answer
    x = 316,366.20

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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.