Home / 389,325.42-537,252.48-219,575.34

Finding the Fourth Proportional to 389,325.42, 537,252.48 and 219,575.34

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Solution

The fourth proportional to 389,325.42, 537,252.48 and 219,575.34 is: 303,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,325.42 : 537,252.48 = 219,575.34 : x
  2. Step 2: Convert to fraction form
    389,325.42/537,252.48 = 219,575.34/x
  3. Step 3: Cross multiply
    389,325.42x = 537,252.48 × 219,575.34
  4. Step 4: Simplify right side
    389,325.42x = 117,967,395,961.84
  5. Step 5: Solve for x
    x = 117,967,395,961.84/389,325.42
  6. Step 6: Final answer
    x = 303,004.61

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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.