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Finding the Fourth Proportional to 329,031.40, 494,130.30 and 254,333.20

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Solution

The fourth proportional to 329,031.40, 494,130.30 and 254,333.20 is: 381,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,031.40 : 494,130.30 = 254,333.20 : x
  2. Step 2: Convert to fraction form
    329,031.40/494,130.30 = 254,333.20/x
  3. Step 3: Cross multiply
    329,031.40x = 494,130.30 × 254,333.20
  4. Step 4: Simplify right side
    329,031.40x = 125,673,740,415.96
  5. Step 5: Solve for x
    x = 125,673,740,415.96/329,031.40
  6. Step 6: Final answer
    x = 381,950.60

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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.