Home / 631,472.54-947,195.36-205,007.68

Finding the Fourth Proportional to 631,472.54, 947,195.36 and 205,007.68

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Solution

The fourth proportional to 631,472.54, 947,195.36 and 205,007.68 is: 307,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,472.54 : 947,195.36 = 205,007.68 : x
  2. Step 2: Convert to fraction form
    631,472.54/947,195.36 = 205,007.68/x
  3. Step 3: Cross multiply
    631,472.54x = 947,195.36 × 205,007.68
  4. Step 4: Simplify right side
    631,472.54x = 194,182,323,260.37
  5. Step 5: Solve for x
    x = 194,182,323,260.37/631,472.54
  6. Step 6: Final answer
    x = 307,507.15

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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.