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Finding the Fourth Proportional to 449,880.60, 675,080.10 and 169,426.20

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Solution

The fourth proportional to 449,880.60, 675,080.10 and 169,426.20 is: 254,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,880.60 : 675,080.10 = 169,426.20 : x
  2. Step 2: Convert to fraction form
    449,880.60/675,080.10 = 169,426.20/x
  3. Step 3: Cross multiply
    449,880.60x = 675,080.10 × 169,426.20
  4. Step 4: Simplify right side
    449,880.60x = 114,376,256,038.62
  5. Step 5: Solve for x
    x = 114,376,256,038.62/449,880.60
  6. Step 6: Final answer
    x = 254,236.92

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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.