Finding the Fourth Proportional to 295,730.16, 408,128.88 and 168,413.92
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Solution
The fourth proportional to 295,730.16, 408,128.88 and 168,413.92 is: 232,423.32
Step by Step Solution
- Step 1: Write the proportion equation
295,730.16 : 408,128.88 = 168,413.92 : x - Step 2: Convert to fraction form
295,730.16/408,128.88 = 168,413.92/x - Step 3: Cross multiply
295,730.16x = 408,128.88 × 168,413.92 - Step 4: Simplify right side
295,730.16x = 68,734,584,546.01 - Step 5: Solve for x
x = 68,734,584,546.01/295,730.16 - Step 6: Final answer
x = 232,423.32
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1.5x scale
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.