Home / 631,657.06-947,634.30-205,191.52

Finding the Fourth Proportional to 631,657.06, 947,634.30 and 205,191.52

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Solution

The fourth proportional to 631,657.06, 947,634.30 and 205,191.52 is: 307,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,657.06 : 947,634.30 = 205,191.52 : x
  2. Step 2: Convert to fraction form
    631,657.06/947,634.30 = 205,191.52/x
  3. Step 3: Cross multiply
    631,657.06x = 947,634.30 × 205,191.52
  4. Step 4: Simplify right side
    631,657.06x = 194,446,522,421.14
  5. Step 5: Solve for x
    x = 194,446,522,421.14/631,657.06
  6. Step 6: Final answer
    x = 307,835.59

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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.