Home / 243,023.80-364,535.70-136,298.20

Finding the Fourth Proportional to 243,023.80, 364,535.70 and 136,298.20

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Solution

The fourth proportional to 243,023.80, 364,535.70 and 136,298.20 is: 204,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,023.80 : 364,535.70 = 136,298.20 : x
  2. Step 2: Convert to fraction form
    243,023.80/364,535.70 = 136,298.20/x
  3. Step 3: Cross multiply
    243,023.80x = 364,535.70 × 136,298.20
  4. Step 4: Simplify right side
    243,023.80x = 49,685,559,745.74
  5. Step 5: Solve for x
    x = 49,685,559,745.74/243,023.80
  6. Step 6: Final answer
    x = 204,447.30

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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.