Home / 379,715.85-569,468.34-113,413.23

Finding the Fourth Proportional to 379,715.85, 569,468.34 and 113,413.23

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Solution

The fourth proportional to 379,715.85, 569,468.34 and 113,413.23 is: 170,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,715.85 : 569,468.34 = 113,413.23 : x
  2. Step 2: Convert to fraction form
    379,715.85/569,468.34 = 113,413.23/x
  3. Step 3: Cross multiply
    379,715.85x = 569,468.34 × 113,413.23
  4. Step 4: Simplify right side
    379,715.85x = 64,585,243,822.14
  5. Step 5: Solve for x
    x = 64,585,243,822.14/379,715.85
  6. Step 6: Final answer
    x = 170,088.35

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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.