Home / 499,413.41-749,127.03-162,455.83

Finding the Fourth Proportional to 499,413.41, 749,127.03 and 162,455.83

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Solution

The fourth proportional to 499,413.41, 749,127.03 and 162,455.83 is: 243,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,413.41 : 749,127.03 = 162,455.83 : x
  2. Step 2: Convert to fraction form
    499,413.41/749,127.03 = 162,455.83/x
  3. Step 3: Cross multiply
    499,413.41x = 749,127.03 × 162,455.83
  4. Step 4: Simplify right side
    499,413.41x = 121,700,051,561.27
  5. Step 5: Solve for x
    x = 121,700,051,561.27/499,413.41
  6. Step 6: Final answer
    x = 243,685.99

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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.