Home / 437,448.34-656,172.78-121,913.56

Finding the Fourth Proportional to 437,448.34, 656,172.78 and 121,913.56

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Solution

The fourth proportional to 437,448.34, 656,172.78 and 121,913.56 is: 182,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,448.34 : 656,172.78 = 121,913.56 : x
  2. Step 2: Convert to fraction form
    437,448.34/656,172.78 = 121,913.56/x
  3. Step 3: Cross multiply
    437,448.34x = 656,172.78 × 121,913.56
  4. Step 4: Simplify right side
    437,448.34x = 79,996,359,584.90
  5. Step 5: Solve for x
    x = 79,996,359,584.90/437,448.34
  6. Step 6: Final answer
    x = 182,870.42

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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.