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Finding the Fourth Proportional to 310,775.48, 466,165.92 and 100,413.44

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Solution

The fourth proportional to 310,775.48, 466,165.92 and 100,413.44 is: 150,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,775.48 : 466,165.92 = 100,413.44 : x
  2. Step 2: Convert to fraction form
    310,775.48/466,165.92 = 100,413.44/x
  3. Step 3: Cross multiply
    310,775.48x = 466,165.92 × 100,413.44
  4. Step 4: Simplify right side
    310,775.48x = 46,809,323,637.96
  5. Step 5: Solve for x
    x = 46,809,323,637.96/310,775.48
  6. Step 6: Final answer
    x = 150,621.03

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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.