Home / 525,228.82-787,946.65-188,179.31

Finding the Fourth Proportional to 525,228.82, 787,946.65 and 188,179.31

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Solution

The fourth proportional to 525,228.82, 787,946.65 and 188,179.31 is: 282,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,228.82 : 787,946.65 = 188,179.31 : x
  2. Step 2: Convert to fraction form
    525,228.82/787,946.65 = 188,179.31/x
  3. Step 3: Cross multiply
    525,228.82x = 787,946.65 × 188,179.31
  4. Step 4: Simplify right side
    525,228.82x = 148,275,258,413.23
  5. Step 5: Solve for x
    x = 148,275,258,413.23/525,228.82
  6. Step 6: Final answer
    x = 282,306.02

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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.