Home / 484,971.46-727,458.53-169,428.35

Finding the Fourth Proportional to 484,971.46, 727,458.53 and 169,428.35

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Solution

The fourth proportional to 484,971.46, 727,458.53 and 169,428.35 is: 254,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,971.46 : 727,458.53 = 169,428.35 : x
  2. Step 2: Convert to fraction form
    484,971.46/727,458.53 = 169,428.35/x
  3. Step 3: Cross multiply
    484,971.46x = 727,458.53 × 169,428.35
  4. Step 4: Simplify right side
    484,971.46x = 123,252,098,431.33
  5. Step 5: Solve for x
    x = 123,252,098,431.33/484,971.46
  6. Step 6: Final answer
    x = 254,142.99

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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.