Finding the Fourth Proportional to 224,413.20, 336,619.80 and 106,315.20
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Solution
The fourth proportional to 224,413.20, 336,619.80 and 106,315.20 is: 159,472.80
Step by Step Solution
- Step 1: Write the proportion equation
224,413.20 : 336,619.80 = 106,315.20 : x - Step 2: Convert to fraction form
224,413.20/336,619.80 = 106,315.20/x - Step 3: Cross multiply
224,413.20x = 336,619.80 × 106,315.20 - Step 4: Simplify right side
224,413.20x = 35,787,801,360.96 - Step 5: Solve for x
x = 35,787,801,360.96/224,413.20 - Step 6: Final answer
x = 159,472.80
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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.