Home / 631,342.48-947,004.12-188,110.48

Finding the Fourth Proportional to 631,342.48, 947,004.12 and 188,110.48

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Solution

The fourth proportional to 631,342.48, 947,004.12 and 188,110.48 is: 282,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,342.48 : 947,004.12 = 188,110.48 : x
  2. Step 2: Convert to fraction form
    631,342.48/947,004.12 = 188,110.48/x
  3. Step 3: Cross multiply
    631,342.48x = 947,004.12 × 188,110.48
  4. Step 4: Simplify right side
    631,342.48x = 178,141,399,575.18
  5. Step 5: Solve for x
    x = 178,141,399,575.18/631,342.48
  6. Step 6: Final answer
    x = 282,162.86

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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.