Home / 317,413.14-476,243.55-139,795.26

Finding the Fourth Proportional to 317,413.14, 476,243.55 and 139,795.26

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Solution

The fourth proportional to 317,413.14, 476,243.55 and 139,795.26 is: 209,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,413.14 : 476,243.55 = 139,795.26 : x
  2. Step 2: Convert to fraction form
    317,413.14/476,243.55 = 139,795.26/x
  3. Step 3: Cross multiply
    317,413.14x = 476,243.55 × 139,795.26
  4. Step 4: Simplify right side
    317,413.14x = 66,576,590,895.57
  5. Step 5: Solve for x
    x = 66,576,590,895.57/317,413.14
  6. Step 6: Final answer
    x = 209,747.43

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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.