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Finding the Fourth Proportional to 299,937.60, 449,841.60 and 131,457.60

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Solution

The fourth proportional to 299,937.60, 449,841.60 and 131,457.60 is: 197,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,937.60 : 449,841.60 = 131,457.60 : x
  2. Step 2: Convert to fraction form
    299,937.60/449,841.60 = 131,457.60/x
  3. Step 3: Cross multiply
    299,937.60x = 449,841.60 × 131,457.60
  4. Step 4: Simplify right side
    299,937.60x = 59,135,097,116.16
  5. Step 5: Solve for x
    x = 59,135,097,116.16/299,937.60
  6. Step 6: Final answer
    x = 197,158.00

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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.