Home / 248,829.20-373,243.80-155,387.60

Finding the Fourth Proportional to 248,829.20, 373,243.80 and 155,387.60

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Solution

The fourth proportional to 248,829.20, 373,243.80 and 155,387.60 is: 233,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,829.20 : 373,243.80 = 155,387.60 : x
  2. Step 2: Convert to fraction form
    248,829.20/373,243.80 = 155,387.60/x
  3. Step 3: Cross multiply
    248,829.20x = 373,243.80 × 155,387.60
  4. Step 4: Simplify right side
    248,829.20x = 57,997,458,296.88
  5. Step 5: Solve for x
    x = 57,997,458,296.88/248,829.20
  6. Step 6: Final answer
    x = 233,081.40

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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.