Home / 438,771.63-658,268.17-202,280.39

Finding the Fourth Proportional to 438,771.63, 658,268.17 and 202,280.39

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Solution

The fourth proportional to 438,771.63, 658,268.17 and 202,280.39 is: 303,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,771.63 : 658,268.17 = 202,280.39 : x
  2. Step 2: Convert to fraction form
    438,771.63/658,268.17 = 202,280.39/x
  3. Step 3: Cross multiply
    438,771.63x = 658,268.17 × 202,280.39
  4. Step 4: Simplify right side
    438,771.63x = 133,154,740,823.65
  5. Step 5: Solve for x
    x = 133,154,740,823.65/438,771.63
  6. Step 6: Final answer
    x = 303,471.63

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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.