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Finding the Fourth Proportional to 295,581.80, 443,430.30 and 118,058.60

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Solution

The fourth proportional to 295,581.80, 443,430.30 and 118,058.60 is: 177,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,581.80 : 443,430.30 = 118,058.60 : x
  2. Step 2: Convert to fraction form
    295,581.80/443,430.30 = 118,058.60/x
  3. Step 3: Cross multiply
    295,581.80x = 443,430.30 × 118,058.60
  4. Step 4: Simplify right side
    295,581.80x = 52,350,760,415.58
  5. Step 5: Solve for x
    x = 52,350,760,415.58/295,581.80
  6. Step 6: Final answer
    x = 177,110.91

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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.