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Finding the Fourth Proportional to 329,404.20, 494,106.30 and 290,038.20

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Solution

The fourth proportional to 329,404.20, 494,106.30 and 290,038.20 is: 435,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,404.20 : 494,106.30 = 290,038.20 : x
  2. Step 2: Convert to fraction form
    329,404.20/494,106.30 = 290,038.20/x
  3. Step 3: Cross multiply
    329,404.20x = 494,106.30 × 290,038.20
  4. Step 4: Simplify right side
    329,404.20x = 143,309,701,860.66
  5. Step 5: Solve for x
    x = 143,309,701,860.66/329,404.20
  6. Step 6: Final answer
    x = 435,057.30

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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.