Home / 395,530.17-545,831.66-214,242.16

Finding the Fourth Proportional to 395,530.17, 545,831.66 and 214,242.16

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Solution

The fourth proportional to 395,530.17, 545,831.66 and 214,242.16 is: 295,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,530.17 : 545,831.66 = 214,242.16 : x
  2. Step 2: Convert to fraction form
    395,530.17/545,831.66 = 214,242.16/x
  3. Step 3: Cross multiply
    395,530.17x = 545,831.66 × 214,242.16
  4. Step 4: Simplify right side
    395,530.17x = 116,940,153,834.79
  5. Step 5: Solve for x
    x = 116,940,153,834.79/395,530.17
  6. Step 6: Final answer
    x = 295,654.19

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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.