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Finding the Fourth Proportional to 368,179.83, 507,966.12 and 300,079.89

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Solution

The fourth proportional to 368,179.83, 507,966.12 and 300,079.89 is: 414,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,179.83 : 507,966.12 = 300,079.89 : x
  2. Step 2: Convert to fraction form
    368,179.83/507,966.12 = 300,079.89/x
  3. Step 3: Cross multiply
    368,179.83x = 507,966.12 × 300,079.89
  4. Step 4: Simplify right side
    368,179.83x = 152,430,417,413.33
  5. Step 5: Solve for x
    x = 152,430,417,413.33/368,179.83
  6. Step 6: Final answer
    x = 414,010.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.