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Finding the Fourth Proportional to 232,697.95, 349,047.06 and 66,485.95

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Solution

The fourth proportional to 232,697.95, 349,047.06 and 66,485.95 is: 99,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,697.95 : 349,047.06 = 66,485.95 : x
  2. Step 2: Convert to fraction form
    232,697.95/349,047.06 = 66,485.95/x
  3. Step 3: Cross multiply
    232,697.95x = 349,047.06 × 66,485.95
  4. Step 4: Simplify right side
    232,697.95x = 23,206,725,378.81
  5. Step 5: Solve for x
    x = 23,206,725,378.81/232,697.95
  6. Step 6: Final answer
    x = 99,728.96

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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.