Home / 487,023.53-672,090.52-272,163.54

Finding the Fourth Proportional to 487,023.53, 672,090.52 and 272,163.54

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Solution

The fourth proportional to 487,023.53, 672,090.52 and 272,163.54 is: 375,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,023.53 : 672,090.52 = 272,163.54 : x
  2. Step 2: Convert to fraction form
    487,023.53/672,090.52 = 272,163.54/x
  3. Step 3: Cross multiply
    487,023.53x = 672,090.52 × 272,163.54
  4. Step 4: Simplify right side
    487,023.53x = 182,918,533,762.82
  5. Step 5: Solve for x
    x = 182,918,533,762.82/487,023.53
  6. Step 6: Final answer
    x = 375,584.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.