Home / 315,746.20-473,608.38-79,090.92

Finding the Fourth Proportional to 315,746.20, 473,608.38 and 79,090.92

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Solution

The fourth proportional to 315,746.20, 473,608.38 and 79,090.92 is: 118,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,746.20 : 473,608.38 = 79,090.92 : x
  2. Step 2: Convert to fraction form
    315,746.20/473,608.38 = 79,090.92/x
  3. Step 3: Cross multiply
    315,746.20x = 473,608.38 × 79,090.92
  4. Step 4: Simplify right side
    315,746.20x = 37,458,122,493.91
  5. Step 5: Solve for x
    x = 37,458,122,493.91/315,746.20
  6. Step 6: Final answer
    x = 118,633.64

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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.