Home / 646,634.76-970,096.86-197,395.56

Finding the Fourth Proportional to 646,634.76, 970,096.86 and 197,395.56

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Solution

The fourth proportional to 646,634.76, 970,096.86 and 197,395.56 is: 296,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,634.76 : 970,096.86 = 197,395.56 : x
  2. Step 2: Convert to fraction form
    646,634.76/970,096.86 = 197,395.56/x
  3. Step 3: Cross multiply
    646,634.76x = 970,096.86 × 197,395.56
  4. Step 4: Simplify right side
    646,634.76x = 191,492,812,933.94
  5. Step 5: Solve for x
    x = 191,492,812,933.94/646,634.76
  6. Step 6: Final answer
    x = 296,137.52

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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.