Finding the Fourth Proportional to 341,413.40, 512,120.10 and 307,587.80
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Solution
The fourth proportional to 341,413.40, 512,120.10 and 307,587.80 is: 461,381.70
Step by Step Solution
- Step 1: Write the proportion equation
341,413.40 : 512,120.10 = 307,587.80 : x - Step 2: Convert to fraction form
341,413.40/512,120.10 = 307,587.80/x - Step 3: Cross multiply
341,413.40x = 512,120.10 × 307,587.80 - Step 4: Simplify right side
341,413.40x = 157,521,894,894.78 - Step 5: Solve for x
x = 157,521,894,894.78/341,413.40 - Step 6: Final answer
x = 461,381.70
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1.5x scale
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.