Home / 209,586.12-313,413.47-155,652.65

Finding the Fourth Proportional to 209,586.12, 313,413.47 and 155,652.65

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Solution

The fourth proportional to 209,586.12, 313,413.47 and 155,652.65 is: 232,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,586.12 : 313,413.47 = 155,652.65 : x
  2. Step 2: Convert to fraction form
    209,586.12/313,413.47 = 155,652.65/x
  3. Step 3: Cross multiply
    209,586.12x = 313,413.47 × 155,652.65
  4. Step 4: Simplify right side
    209,586.12x = 48,783,634,805.86
  5. Step 5: Solve for x
    x = 48,783,634,805.86/209,586.12
  6. Step 6: Final answer
    x = 232,761.76

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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.