Home / 485,905.18-670,550.23-271,059.16

Finding the Fourth Proportional to 485,905.18, 670,550.23 and 271,059.16

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Solution

The fourth proportional to 485,905.18, 670,550.23 and 271,059.16 is: 374,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,905.18 : 670,550.23 = 271,059.16 : x
  2. Step 2: Convert to fraction form
    485,905.18/670,550.23 = 271,059.16/x
  3. Step 3: Cross multiply
    485,905.18x = 670,550.23 × 271,059.16
  4. Step 4: Simplify right side
    485,905.18x = 181,758,782,081.61
  5. Step 5: Solve for x
    x = 181,758,782,081.61/485,905.18
  6. Step 6: Final answer
    x = 374,062.24

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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.