Home / 422,250.09-633,287.64-155,828.55

Finding the Fourth Proportional to 422,250.09, 633,287.64 and 155,828.55

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Solution

The fourth proportional to 422,250.09, 633,287.64 and 155,828.55 is: 233,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,250.09 : 633,287.64 = 155,828.55 : x
  2. Step 2: Convert to fraction form
    422,250.09/633,287.64 = 155,828.55/x
  3. Step 3: Cross multiply
    422,250.09x = 633,287.64 × 155,828.55
  4. Step 4: Simplify right side
    422,250.09x = 98,684,294,674.12
  5. Step 5: Solve for x
    x = 98,684,294,674.12/422,250.09
  6. Step 6: Final answer
    x = 233,710.54

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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.