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Finding the Fourth Proportional to 329,998.10, 494,122.35 and 260,014.10

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Solution

The fourth proportional to 329,998.10, 494,122.35 and 260,014.10 is: 389,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,998.10 : 494,122.35 = 260,014.10 : x
  2. Step 2: Convert to fraction form
    329,998.10/494,122.35 = 260,014.10/x
  3. Step 3: Cross multiply
    329,998.10x = 494,122.35 × 260,014.10
  4. Step 4: Simplify right side
    329,998.10x = 128,478,778,125.14
  5. Step 5: Solve for x
    x = 128,478,778,125.14/329,998.10
  6. Step 6: Final answer
    x = 389,331.87

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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.