Home / 272,812.85-376,422.35-165,409.28

Finding the Fourth Proportional to 272,812.85, 376,422.35 and 165,409.28

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Solution

The fourth proportional to 272,812.85, 376,422.35 and 165,409.28 is: 228,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,812.85 : 376,422.35 = 165,409.28 : x
  2. Step 2: Convert to fraction form
    272,812.85/376,422.35 = 165,409.28/x
  3. Step 3: Cross multiply
    272,812.85x = 376,422.35 × 165,409.28
  4. Step 4: Simplify right side
    272,812.85x = 62,263,749,889.41
  5. Step 5: Solve for x
    x = 62,263,749,889.41/272,812.85
  6. Step 6: Final answer
    x = 228,228.80

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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.