Home / 307,942.10-424,725.93-264,993.95

Finding the Fourth Proportional to 307,942.10, 424,725.93 and 264,993.95

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Solution

The fourth proportional to 307,942.10, 424,725.93 and 264,993.95 is: 365,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,942.10 : 424,725.93 = 264,993.95 : x
  2. Step 2: Convert to fraction form
    307,942.10/424,725.93 = 264,993.95/x
  3. Step 3: Cross multiply
    307,942.10x = 424,725.93 × 264,993.95
  4. Step 4: Simplify right side
    307,942.10x = 112,549,801,858.12
  5. Step 5: Solve for x
    x = 112,549,801,858.12/307,942.10
  6. Step 6: Final answer
    x = 365,490.14

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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.