Home / 395,117.35-545,263.34-213,829.24

Finding the Fourth Proportional to 395,117.35, 545,263.34 and 213,829.24

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Solution

The fourth proportional to 395,117.35, 545,263.34 and 213,829.24 is: 295,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,117.35 : 545,263.34 = 213,829.24 : x
  2. Step 2: Convert to fraction form
    395,117.35/545,263.34 = 213,829.24/x
  3. Step 3: Cross multiply
    395,117.35x = 545,263.34 × 213,829.24
  4. Step 4: Simplify right side
    395,117.35x = 116,593,245,592.06
  5. Step 5: Solve for x
    x = 116,593,245,592.06/395,117.35
  6. Step 6: Final answer
    x = 295,085.11

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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.