Home / 243,048.30-364,572.45-136,322.70

Finding the Fourth Proportional to 243,048.30, 364,572.45 and 136,322.70

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Solution

The fourth proportional to 243,048.30, 364,572.45 and 136,322.70 is: 204,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,048.30 : 364,572.45 = 136,322.70 : x
  2. Step 2: Convert to fraction form
    243,048.30/364,572.45 = 136,322.70/x
  3. Step 3: Cross multiply
    243,048.30x = 364,572.45 × 136,322.70
  4. Step 4: Simplify right side
    243,048.30x = 49,699,500,729.62
  5. Step 5: Solve for x
    x = 49,699,500,729.62/243,048.30
  6. Step 6: Final answer
    x = 204,484.05

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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.