Home / 254,420.04-381,131.06-147,579.53

Finding the Fourth Proportional to 254,420.04, 381,131.06 and 147,579.53

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Solution

The fourth proportional to 254,420.04, 381,131.06 and 147,579.53 is: 221,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,420.04 : 381,131.06 = 147,579.53 : x
  2. Step 2: Convert to fraction form
    254,420.04/381,131.06 = 147,579.53/x
  3. Step 3: Cross multiply
    254,420.04x = 381,131.06 × 147,579.53
  4. Step 4: Simplify right side
    254,420.04x = 56,247,141,965.30
  5. Step 5: Solve for x
    x = 56,247,141,965.30/254,420.04
  6. Step 6: Final answer
    x = 221,079.85

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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.