Finding the Fourth Proportional to 611,810.62, 917,716.19 and 232,643.75
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Solution
The fourth proportional to 611,810.62, 917,716.19 and 232,643.75 is: 348,965.72
Step by Step Solution
- Step 1: Write the proportion equation
611,810.62 : 917,716.19 = 232,643.75 : x - Step 2: Convert to fraction form
611,810.62/917,716.19 = 232,643.75/x - Step 3: Cross multiply
611,810.62x = 917,716.19 × 232,643.75 - Step 4: Simplify right side
611,810.62x = 213,500,935,877.31 - Step 5: Solve for x
x = 213,500,935,877.31/611,810.62 - Step 6: Final answer
x = 348,965.72
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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.