Home / 454,878.23-682,308-202,090.19

Finding the Fourth Proportional to 454,878.23, 682,308 and 202,090.19

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Solution

The fourth proportional to 454,878.23, 682,308 and 202,090.19 is: 303,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,878.23 : 682,308 = 202,090.19 : x
  2. Step 2: Convert to fraction form
    454,878.23/682,308 = 202,090.19/x
  3. Step 3: Cross multiply
    454,878.23x = 682,308 × 202,090.19
  4. Step 4: Simplify right side
    454,878.23x = 137,887,749,946.98
  5. Step 5: Solve for x
    x = 137,887,749,946.98/454,878.23
  6. Step 6: Final answer
    x = 303,131.13

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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.