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Finding the Fourth Proportional to 299,416.60, 448,468.80 and 159,011.20

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Solution

The fourth proportional to 299,416.60, 448,468.80 and 159,011.20 is: 238,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,416.60 : 448,468.80 = 159,011.20 : x
  2. Step 2: Convert to fraction form
    299,416.60/448,468.80 = 159,011.20/x
  3. Step 3: Cross multiply
    299,416.60x = 448,468.80 × 159,011.20
  4. Step 4: Simplify right side
    299,416.60x = 71,311,562,050.56
  5. Step 5: Solve for x
    x = 71,311,562,050.56/299,416.60
  6. Step 6: Final answer
    x = 238,168.36

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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.