Home / 490,741.23-736,111.95-153,781.80

Finding the Fourth Proportional to 490,741.23, 736,111.95 and 153,781.80

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Solution

The fourth proportional to 490,741.23, 736,111.95 and 153,781.80 is: 230,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,741.23 : 736,111.95 = 153,781.80 : x
  2. Step 2: Convert to fraction form
    490,741.23/736,111.95 = 153,781.80/x
  3. Step 3: Cross multiply
    490,741.23x = 736,111.95 × 153,781.80
  4. Step 4: Simplify right side
    490,741.23x = 113,200,620,672.51
  5. Step 5: Solve for x
    x = 113,200,620,672.51/490,741.23
  6. Step 6: Final answer
    x = 230,672.73

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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.