Home / 204,487.30-282,303.15-143,420.98

Finding the Fourth Proportional to 204,487.30, 282,303.15 and 143,420.98

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Solution

The fourth proportional to 204,487.30, 282,303.15 and 143,420.98 is: 197,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,487.30 : 282,303.15 = 143,420.98 : x
  2. Step 2: Convert to fraction form
    204,487.30/282,303.15 = 143,420.98/x
  3. Step 3: Cross multiply
    204,487.30x = 282,303.15 × 143,420.98
  4. Step 4: Simplify right side
    204,487.30x = 40,488,194,430.09
  5. Step 5: Solve for x
    x = 40,488,194,430.09/204,487.30
  6. Step 6: Final answer
    x = 197,998.58

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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.