Home / 356,735.07-492,275.61-203,743.26

Finding the Fourth Proportional to 356,735.07, 492,275.61 and 203,743.26

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Solution

The fourth proportional to 356,735.07, 492,275.61 and 203,743.26 is: 281,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,735.07 : 492,275.61 = 203,743.26 : x
  2. Step 2: Convert to fraction form
    356,735.07/492,275.61 = 203,743.26/x
  3. Step 3: Cross multiply
    356,735.07x = 492,275.61 × 203,743.26
  4. Step 4: Simplify right side
    356,735.07x = 100,297,837,599.89
  5. Step 5: Solve for x
    x = 100,297,837,599.89/356,735.07
  6. Step 6: Final answer
    x = 281,154.97

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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.