Home / 545,308.20-817,962.30-146,010.60

Finding the Fourth Proportional to 545,308.20, 817,962.30 and 146,010.60

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Solution

The fourth proportional to 545,308.20, 817,962.30 and 146,010.60 is: 219,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,308.20 : 817,962.30 = 146,010.60 : x
  2. Step 2: Convert to fraction form
    545,308.20/817,962.30 = 146,010.60/x
  3. Step 3: Cross multiply
    545,308.20x = 817,962.30 × 146,010.60
  4. Step 4: Simplify right side
    545,308.20x = 119,431,166,200.38
  5. Step 5: Solve for x
    x = 119,431,166,200.38/545,308.20
  6. Step 6: Final answer
    x = 219,015.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.