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Finding the Fourth Proportional to 299,126.24, 448,984.95 and 130,762.78

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Solution

The fourth proportional to 299,126.24, 448,984.95 and 130,762.78 is: 196,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,126.24 : 448,984.95 = 130,762.78 : x
  2. Step 2: Convert to fraction form
    299,126.24/448,984.95 = 130,762.78/x
  3. Step 3: Cross multiply
    299,126.24x = 448,984.95 × 130,762.78
  4. Step 4: Simplify right side
    299,126.24x = 58,710,520,257.88
  5. Step 5: Solve for x
    x = 58,710,520,257.88/299,126.24
  6. Step 6: Final answer
    x = 196,273.39

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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.