Home / 380,320.37-524,841.21-219,174.02

Finding the Fourth Proportional to 380,320.37, 524,841.21 and 219,174.02

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Solution

The fourth proportional to 380,320.37, 524,841.21 and 219,174.02 is: 302,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,320.37 : 524,841.21 = 219,174.02 : x
  2. Step 2: Convert to fraction form
    380,320.37/524,841.21 = 219,174.02/x
  3. Step 3: Cross multiply
    380,320.37x = 524,841.21 × 219,174.02
  4. Step 4: Simplify right side
    380,320.37x = 115,031,555,233.16
  5. Step 5: Solve for x
    x = 115,031,555,233.16/380,320.37
  6. Step 6: Final answer
    x = 302,459.63

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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.