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Finding the Fourth Proportional to 230,314.88, 345,406.70 and 145,947.72

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Solution

The fourth proportional to 230,314.88, 345,406.70 and 145,947.72 is: 218,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,314.88 : 345,406.70 = 145,947.72 : x
  2. Step 2: Convert to fraction form
    230,314.88/345,406.70 = 145,947.72/x
  3. Step 3: Cross multiply
    230,314.88x = 345,406.70 × 145,947.72
  4. Step 4: Simplify right side
    230,314.88x = 50,411,320,337.72
  5. Step 5: Solve for x
    x = 50,411,320,337.72/230,314.88
  6. Step 6: Final answer
    x = 218,880.00

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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.