Home / 442,235.40-662,565.78-205,164.60

Finding the Fourth Proportional to 442,235.40, 662,565.78 and 205,164.60

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Solution

The fourth proportional to 442,235.40, 662,565.78 and 205,164.60 is: 307,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,235.40 : 662,565.78 = 205,164.60 : x
  2. Step 2: Convert to fraction form
    442,235.40/662,565.78 = 205,164.60/x
  3. Step 3: Cross multiply
    442,235.40x = 662,565.78 × 205,164.60
  4. Step 4: Simplify right side
    442,235.40x = 135,935,043,227.39
  5. Step 5: Solve for x
    x = 135,935,043,227.39/442,235.40
  6. Step 6: Final answer
    x = 307,381.64

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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.