Home / 631,468.53-947,189.37-205,003.68

Finding the Fourth Proportional to 631,468.53, 947,189.37 and 205,003.68

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Solution

The fourth proportional to 631,468.53, 947,189.37 and 205,003.68 is: 307,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,468.53 : 947,189.37 = 205,003.68 : x
  2. Step 2: Convert to fraction form
    631,468.53/947,189.37 = 205,003.68/x
  3. Step 3: Cross multiply
    631,468.53x = 947,189.37 × 205,003.68
  4. Step 4: Simplify right side
    631,468.53x = 194,177,306,506.88
  5. Step 5: Solve for x
    x = 194,177,306,506.88/631,468.53
  6. Step 6: Final answer
    x = 307,501.16

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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.