Home / 243,032.20-364,548.30-218,537.80

Finding the Fourth Proportional to 243,032.20, 364,548.30 and 218,537.80

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Solution

The fourth proportional to 243,032.20, 364,548.30 and 218,537.80 is: 327,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,032.20 : 364,548.30 = 218,537.80 : x
  2. Step 2: Convert to fraction form
    243,032.20/364,548.30 = 218,537.80/x
  3. Step 3: Cross multiply
    243,032.20x = 364,548.30 × 218,537.80
  4. Step 4: Simplify right side
    243,032.20x = 79,667,583,475.74
  5. Step 5: Solve for x
    x = 79,667,583,475.74/243,032.20
  6. Step 6: Final answer
    x = 327,806.70

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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.