Home / 242,662.20-363,993.30-158,681.40

Finding the Fourth Proportional to 242,662.20, 363,993.30 and 158,681.40

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Solution

The fourth proportional to 242,662.20, 363,993.30 and 158,681.40 is: 238,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,662.20 : 363,993.30 = 158,681.40 : x
  2. Step 2: Convert to fraction form
    242,662.20/363,993.30 = 158,681.40/x
  3. Step 3: Cross multiply
    242,662.20x = 363,993.30 × 158,681.40
  4. Step 4: Simplify right side
    242,662.20x = 57,758,966,434.62
  5. Step 5: Solve for x
    x = 57,758,966,434.62/242,662.20
  6. Step 6: Final answer
    x = 238,022.10

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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.