Finding the Fourth Proportional to 306,643.08, 459,932.27 and 82,026.19
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Solution
The fourth proportional to 306,643.08, 459,932.27 and 82,026.19 is: 123,030.63
Step by Step Solution
- Step 1: Write the proportion equation
306,643.08 : 459,932.27 = 82,026.19 : x - Step 2: Convert to fraction form
306,643.08/459,932.27 = 82,026.19/x - Step 3: Cross multiply
306,643.08x = 459,932.27 × 82,026.19 - Step 4: Simplify right side
306,643.08x = 37,726,490,206.19 - Step 5: Solve for x
x = 37,726,490,206.19/306,643.08 - Step 6: Final answer
x = 123,030.63
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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.