Home / 398,838.06-598,373.73-118,362.60

Finding the Fourth Proportional to 398,838.06, 598,373.73 and 118,362.60

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Solution

The fourth proportional to 398,838.06, 598,373.73 and 118,362.60 is: 177,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,838.06 : 598,373.73 = 118,362.60 : x
  2. Step 2: Convert to fraction form
    398,838.06/598,373.73 = 118,362.60/x
  3. Step 3: Cross multiply
    398,838.06x = 598,373.73 × 118,362.60
  4. Step 4: Simplify right side
    398,838.06x = 70,825,070,454.50
  5. Step 5: Solve for x
    x = 70,825,070,454.50/398,838.06
  6. Step 6: Final answer
    x = 177,578.52

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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.