Home / 254,467.40-381,701.10-149,232.20

Finding the Fourth Proportional to 254,467.40, 381,701.10 and 149,232.20

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Solution

The fourth proportional to 254,467.40, 381,701.10 and 149,232.20 is: 223,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,467.40 : 381,701.10 = 149,232.20 : x
  2. Step 2: Convert to fraction form
    254,467.40/381,701.10 = 149,232.20/x
  3. Step 3: Cross multiply
    254,467.40x = 381,701.10 × 149,232.20
  4. Step 4: Simplify right side
    254,467.40x = 56,962,094,895.42
  5. Step 5: Solve for x
    x = 56,962,094,895.42/254,467.40
  6. Step 6: Final answer
    x = 223,848.30

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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.