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Finding the Fourth Proportional to 552,490.02, 828,678.83 and 173,413.67

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Solution

The fourth proportional to 552,490.02, 828,678.83 and 173,413.67 is: 260,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,490.02 : 828,678.83 = 173,413.67 : x
  2. Step 2: Convert to fraction form
    552,490.02/828,678.83 = 173,413.67/x
  3. Step 3: Cross multiply
    552,490.02x = 828,678.83 × 173,413.67
  4. Step 4: Simplify right side
    552,490.02x = 143,704,232,151.14
  5. Step 5: Solve for x
    x = 143,704,232,151.14/552,490.02
  6. Step 6: Final answer
    x = 260,102.86

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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.