Home / 272,090.52-407,457-171,948.60

Finding the Fourth Proportional to 272,090.52, 407,457 and 171,948.60

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Solution

The fourth proportional to 272,090.52, 407,457 and 171,948.60 is: 257,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,090.52 : 407,457 = 171,948.60 : x
  2. Step 2: Convert to fraction form
    272,090.52/407,457 = 171,948.60/x
  3. Step 3: Cross multiply
    272,090.52x = 407,457 × 171,948.60
  4. Step 4: Simplify right side
    272,090.52x = 70,061,660,710.20
  5. Step 5: Solve for x
    x = 70,061,660,710.20/272,090.52
  6. Step 6: Final answer
    x = 257,493.94

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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.