Home / 254,334.80-381,502.20-154,690.40

Finding the Fourth Proportional to 254,334.80, 381,502.20 and 154,690.40

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Solution

The fourth proportional to 254,334.80, 381,502.20 and 154,690.40 is: 232,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,334.80 : 381,502.20 = 154,690.40 : x
  2. Step 2: Convert to fraction form
    254,334.80/381,502.20 = 154,690.40/x
  3. Step 3: Cross multiply
    254,334.80x = 381,502.20 × 154,690.40
  4. Step 4: Simplify right side
    254,334.80x = 59,014,727,918.88
  5. Step 5: Solve for x
    x = 59,014,727,918.88/254,334.80
  6. Step 6: Final answer
    x = 232,035.60

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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.