Home / 351,336.26-484,901.45-215,445

Finding the Fourth Proportional to 351,336.26, 484,901.45 and 215,445

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Solution

The fourth proportional to 351,336.26, 484,901.45 and 215,445 is: 297,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,336.26 : 484,901.45 = 215,445 : x
  2. Step 2: Convert to fraction form
    351,336.26/484,901.45 = 215,445/x
  3. Step 3: Cross multiply
    351,336.26x = 484,901.45 × 215,445
  4. Step 4: Simplify right side
    351,336.26x = 104,469,592,895.25
  5. Step 5: Solve for x
    x = 104,469,592,895.25/351,336.26
  6. Step 6: Final answer
    x = 297,349.31

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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.