Home / 209,413.05-314,277.45-153,396.69

Finding the Fourth Proportional to 209,413.05, 314,277.45 and 153,396.69

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Solution

The fourth proportional to 209,413.05, 314,277.45 and 153,396.69 is: 230,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,413.05 : 314,277.45 = 153,396.69 : x
  2. Step 2: Convert to fraction form
    209,413.05/314,277.45 = 153,396.69/x
  3. Step 3: Cross multiply
    209,413.05x = 314,277.45 × 153,396.69
  4. Step 4: Simplify right side
    209,413.05x = 48,209,120,571.64
  5. Step 5: Solve for x
    x = 48,209,120,571.64/209,413.05
  6. Step 6: Final answer
    x = 230,210.68

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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.