Home / 379,413.02-523,583.60-207,327.20

Finding the Fourth Proportional to 379,413.02, 523,583.60 and 207,327.20

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Solution

The fourth proportional to 379,413.02, 523,583.60 and 207,327.20 is: 286,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,413.02 : 523,583.60 = 207,327.20 : x
  2. Step 2: Convert to fraction form
    379,413.02/523,583.60 = 207,327.20/x
  3. Step 3: Cross multiply
    379,413.02x = 523,583.60 × 207,327.20
  4. Step 4: Simplify right side
    379,413.02x = 108,553,121,753.92
  5. Step 5: Solve for x
    x = 108,553,121,753.92/379,413.02
  6. Step 6: Final answer
    x = 286,108.06

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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.