Home / 395,405.02-545,657.93-214,116.94

Finding the Fourth Proportional to 395,405.02, 545,657.93 and 214,116.94

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Solution

The fourth proportional to 395,405.02, 545,657.93 and 214,116.94 is: 295,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,405.02 : 545,657.93 = 214,116.94 : x
  2. Step 2: Convert to fraction form
    395,405.02/545,657.93 = 214,116.94/x
  3. Step 3: Cross multiply
    395,405.02x = 545,657.93 × 214,116.94
  4. Step 4: Simplify right side
    395,405.02x = 116,834,606,258.33
  5. Step 5: Solve for x
    x = 116,834,606,258.33/395,405.02
  6. Step 6: Final answer
    x = 295,480.84

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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.