Home / 631,654.20-947,381.06-205,200.14

Finding the Fourth Proportional to 631,654.20, 947,381.06 and 205,200.14

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Solution

The fourth proportional to 631,654.20, 947,381.06 and 205,200.14 is: 307,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,654.20 : 947,381.06 = 205,200.14 : x
  2. Step 2: Convert to fraction form
    631,654.20/947,381.06 = 205,200.14/x
  3. Step 3: Cross multiply
    631,654.20x = 947,381.06 × 205,200.14
  4. Step 4: Simplify right side
    631,654.20x = 194,402,721,921.44
  5. Step 5: Solve for x
    x = 194,402,721,921.44/631,654.20
  6. Step 6: Final answer
    x = 307,767.64

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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.