Home / 631,470.03-947,191.62-205,005.18

Finding the Fourth Proportional to 631,470.03, 947,191.62 and 205,005.18

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Solution

The fourth proportional to 631,470.03, 947,191.62 and 205,005.18 is: 307,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,470.03 : 947,191.62 = 205,005.18 : x
  2. Step 2: Convert to fraction form
    631,470.03/947,191.62 = 205,005.18/x
  3. Step 3: Cross multiply
    631,470.03x = 947,191.62 × 205,005.18
  4. Step 4: Simplify right side
    631,470.03x = 194,179,188,552.59
  5. Step 5: Solve for x
    x = 194,179,188,552.59/631,470.03
  6. Step 6: Final answer
    x = 307,503.41

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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.