Finding the Fourth Proportional to 286,567.62, 395,445.18 and 159,235.62
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Solution
The fourth proportional to 286,567.62, 395,445.18 and 159,235.62 is: 219,735.08
Step by Step Solution
- Step 1: Write the proportion equation
286,567.62 : 395,445.18 = 159,235.62 : x - Step 2: Convert to fraction form
286,567.62/395,445.18 = 159,235.62/x - Step 3: Cross multiply
286,567.62x = 395,445.18 × 159,235.62 - Step 4: Simplify right side
286,567.62x = 62,968,958,413.31 - Step 5: Solve for x
x = 62,968,958,413.31/286,567.62 - Step 6: Final answer
x = 219,735.08
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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.