Home / 442,928.81-664,480.65-162,448.49

Finding the Fourth Proportional to 442,928.81, 664,480.65 and 162,448.49

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Solution

The fourth proportional to 442,928.81, 664,480.65 and 162,448.49 is: 243,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,928.81 : 664,480.65 = 162,448.49 : x
  2. Step 2: Convert to fraction form
    442,928.81/664,480.65 = 162,448.49/x
  3. Step 3: Cross multiply
    442,928.81x = 664,480.65 × 162,448.49
  4. Step 4: Simplify right side
    442,928.81x = 107,943,878,226.72
  5. Step 5: Solve for x
    x = 107,943,878,226.72/442,928.81
  6. Step 6: Final answer
    x = 243,704.80

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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.