Home / 395,485.02-545,766.18-214,192.80

Finding the Fourth Proportional to 395,485.02, 545,766.18 and 214,192.80

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Solution

The fourth proportional to 395,485.02, 545,766.18 and 214,192.80 is: 295,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,485.02 : 545,766.18 = 214,192.80 : x
  2. Step 2: Convert to fraction form
    395,485.02/545,766.18 = 214,192.80/x
  3. Step 3: Cross multiply
    395,485.02x = 545,766.18 × 214,192.80
  4. Step 4: Simplify right side
    395,485.02x = 116,899,186,239.50
  5. Step 5: Solve for x
    x = 116,899,186,239.50/395,485.02
  6. Step 6: Final answer
    x = 295,584.36

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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.