Home / 308,837.40-463,277.70-121,824.60

Finding the Fourth Proportional to 308,837.40, 463,277.70 and 121,824.60

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Solution

The fourth proportional to 308,837.40, 463,277.70 and 121,824.60 is: 182,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,837.40 : 463,277.70 = 121,824.60 : x
  2. Step 2: Convert to fraction form
    308,837.40/463,277.70 = 121,824.60/x
  3. Step 3: Cross multiply
    308,837.40x = 463,277.70 × 121,824.60
  4. Step 4: Simplify right side
    308,837.40x = 56,438,620,491.42
  5. Step 5: Solve for x
    x = 56,438,620,491.42/308,837.40
  6. Step 6: Final answer
    x = 182,745.42

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1.5x scale

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.