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Finding the Fourth Proportional to 540,413.52, 810,620.27 and 141,050.80

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Solution

The fourth proportional to 540,413.52, 810,620.27 and 141,050.80 is: 211,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,413.52 : 810,620.27 = 141,050.80 : x
  2. Step 2: Convert to fraction form
    540,413.52/810,620.27 = 141,050.80/x
  3. Step 3: Cross multiply
    540,413.52x = 810,620.27 × 141,050.80
  4. Step 4: Simplify right side
    540,413.52x = 114,338,637,579.72
  5. Step 5: Solve for x
    x = 114,338,637,579.72/540,413.52
  6. Step 6: Final answer
    x = 211,576.20

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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.