Home / 395,641.02-545,984.70-214,354.20

Finding the Fourth Proportional to 395,641.02, 545,984.70 and 214,354.20

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Solution

The fourth proportional to 395,641.02, 545,984.70 and 214,354.20 is: 295,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,641.02 : 545,984.70 = 214,354.20 : x
  2. Step 2: Convert to fraction form
    395,641.02/545,984.70 = 214,354.20/x
  3. Step 3: Cross multiply
    395,641.02x = 545,984.70 × 214,354.20
  4. Step 4: Simplify right side
    395,641.02x = 117,034,113,580.74
  5. Step 5: Solve for x
    x = 117,034,113,580.74/395,641.02
  6. Step 6: Final answer
    x = 295,808.85

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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.