Home / 395,445.49-545,712.03-214,153.27

Finding the Fourth Proportional to 395,445.49, 545,712.03 and 214,153.27

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Solution

The fourth proportional to 395,445.49, 545,712.03 and 214,153.27 is: 295,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,445.49 : 545,712.03 = 214,153.27 : x
  2. Step 2: Convert to fraction form
    395,445.49/545,712.03 = 214,153.27/x
  3. Step 3: Cross multiply
    395,445.49x = 545,712.03 × 214,153.27
  4. Step 4: Simplify right side
    395,445.49x = 116,866,014,338.56
  5. Step 5: Solve for x
    x = 116,866,014,338.56/395,445.49
  6. Step 6: Final answer
    x = 295,530.02

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1.5x scale

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.