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Finding the Fourth Proportional to 254,011.89, 380,969.34 and 127,617.04

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Solution

The fourth proportional to 254,011.89, 380,969.34 and 127,617.04 is: 191,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,011.89 : 380,969.34 = 127,617.04 : x
  2. Step 2: Convert to fraction form
    254,011.89/380,969.34 = 127,617.04/x
  3. Step 3: Cross multiply
    254,011.89x = 380,969.34 × 127,617.04
  4. Step 4: Simplify right side
    254,011.89x = 48,618,179,501.55
  5. Step 5: Solve for x
    x = 48,618,179,501.55/254,011.89
  6. Step 6: Final answer
    x = 191,401.20

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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.