Finding the Fourth Proportional to 211,549.06, 291,932.44 and 118,413.48
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Solution
The fourth proportional to 211,549.06, 291,932.44 and 118,413.48 is: 163,407.66
Step by Step Solution
- Step 1: Write the proportion equation
211,549.06 : 291,932.44 = 118,413.48 : x - Step 2: Convert to fraction form
211,549.06/291,932.44 = 118,413.48/x - Step 3: Cross multiply
211,549.06x = 291,932.44 × 118,413.48 - Step 4: Simplify right side
211,549.06x = 34,568,736,145.29 - Step 5: Solve for x
x = 34,568,736,145.29/211,549.06 - Step 6: Final answer
x = 163,407.66
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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.