Home / 257,968.62-355,977.18-144,769.50

Finding the Fourth Proportional to 257,968.62, 355,977.18 and 144,769.50

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Solution

The fourth proportional to 257,968.62, 355,977.18 and 144,769.50 is: 199,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,968.62 : 355,977.18 = 144,769.50 : x
  2. Step 2: Convert to fraction form
    257,968.62/355,977.18 = 144,769.50/x
  3. Step 3: Cross multiply
    257,968.62x = 355,977.18 × 144,769.50
  4. Step 4: Simplify right side
    257,968.62x = 51,534,638,360.01
  5. Step 5: Solve for x
    x = 51,534,638,360.01/257,968.62
  6. Step 6: Final answer
    x = 199,770.96

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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.