Home / 351,264.45-484,756.69-215,272.13

Finding the Fourth Proportional to 351,264.45, 484,756.69 and 215,272.13

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Solution

The fourth proportional to 351,264.45, 484,756.69 and 215,272.13 is: 297,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,264.45 : 484,756.69 = 215,272.13 : x
  2. Step 2: Convert to fraction form
    351,264.45/484,756.69 = 215,272.13/x
  3. Step 3: Cross multiply
    351,264.45x = 484,756.69 × 215,272.13
  4. Step 4: Simplify right side
    351,264.45x = 104,354,602,764.27
  5. Step 5: Solve for x
    x = 104,354,602,764.27/351,264.45
  6. Step 6: Final answer
    x = 297,082.73

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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.