Home / 388,002.06-582,090.65-118,154.33

Finding the Fourth Proportional to 388,002.06, 582,090.65 and 118,154.33

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Solution

The fourth proportional to 388,002.06, 582,090.65 and 118,154.33 is: 177,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,002.06 : 582,090.65 = 118,154.33 : x
  2. Step 2: Convert to fraction form
    388,002.06/582,090.65 = 118,154.33/x
  3. Step 3: Cross multiply
    388,002.06x = 582,090.65 × 118,154.33
  4. Step 4: Simplify right side
    388,002.06x = 68,776,530,750.01
  5. Step 5: Solve for x
    x = 68,776,530,750.01/388,002.06
  6. Step 6: Final answer
    x = 177,258.16

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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.