Home / 628,157.52-942,241.82-178,878.06

Finding the Fourth Proportional to 628,157.52, 942,241.82 and 178,878.06

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Solution

The fourth proportional to 628,157.52, 942,241.82 and 178,878.06 is: 268,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,157.52 : 942,241.82 = 178,878.06 : x
  2. Step 2: Convert to fraction form
    628,157.52/942,241.82 = 178,878.06/x
  3. Step 3: Cross multiply
    628,157.52x = 942,241.82 × 178,878.06
  4. Step 4: Simplify right side
    628,157.52x = 168,546,387,918.08
  5. Step 5: Solve for x
    x = 168,546,387,918.08/628,157.52
  6. Step 6: Final answer
    x = 268,318.67

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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.