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Finding the Fourth Proportional to 254,370.95, 351,036.03 and 139,660.17

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Solution

The fourth proportional to 254,370.95, 351,036.03 and 139,660.17 is: 192,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,370.95 : 351,036.03 = 139,660.17 : x
  2. Step 2: Convert to fraction form
    254,370.95/351,036.03 = 139,660.17/x
  3. Step 3: Cross multiply
    254,370.95x = 351,036.03 × 139,660.17
  4. Step 4: Simplify right side
    254,370.95x = 49,025,751,625.93
  5. Step 5: Solve for x
    x = 49,025,751,625.93/254,370.95
  6. Step 6: Final answer
    x = 192,733.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.