Finding the Fourth Proportional to 254,413.40, 351,065.62 and 146,981.12
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Solution
The fourth proportional to 254,413.40, 351,065.62 and 146,981.12 is: 202,819.58
Step by Step Solution
- Step 1: Write the proportion equation
254,413.40 : 351,065.62 = 146,981.12 : x - Step 2: Convert to fraction form
254,413.40/351,065.62 = 146,981.12/x - Step 3: Cross multiply
254,413.40x = 351,065.62 × 146,981.12 - Step 4: Simplify right side
254,413.40x = 51,600,018,531.31 - Step 5: Solve for x
x = 51,600,018,531.31/254,413.40 - Step 6: Final answer
x = 202,819.58
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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.