Home / 308,977.40-463,466.10-131,490.20

Finding the Fourth Proportional to 308,977.40, 463,466.10 and 131,490.20

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Solution

The fourth proportional to 308,977.40, 463,466.10 and 131,490.20 is: 197,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,977.40 : 463,466.10 = 131,490.20 : x
  2. Step 2: Convert to fraction form
    308,977.40/463,466.10 = 131,490.20/x
  3. Step 3: Cross multiply
    308,977.40x = 463,466.10 × 131,490.20
  4. Step 4: Simplify right side
    308,977.40x = 60,941,250,182.22
  5. Step 5: Solve for x
    x = 60,941,250,182.22/308,977.40
  6. Step 6: Final answer
    x = 197,235.30

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Similar ratio
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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.