Home / 388,496.29-582,784.93-148,609.73

Finding the Fourth Proportional to 388,496.29, 582,784.93 and 148,609.73

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Solution

The fourth proportional to 388,496.29, 582,784.93 and 148,609.73 is: 222,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,496.29 : 582,784.93 = 148,609.73 : x
  2. Step 2: Convert to fraction form
    388,496.29/582,784.93 = 148,609.73/x
  3. Step 3: Cross multiply
    388,496.29x = 582,784.93 × 148,609.73
  4. Step 4: Simplify right side
    388,496.29x = 86,607,507,804.46
  5. Step 5: Solve for x
    x = 86,607,507,804.46/388,496.29
  6. Step 6: Final answer
    x = 222,930.08

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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.