Finding the Fourth Proportional to 419,026.73, 578,268.99 and 228,052.22
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Solution
The fourth proportional to 419,026.73, 578,268.99 and 228,052.22 is: 314,718.65
Step by Step Solution
- Step 1: Write the proportion equation
419,026.73 : 578,268.99 = 228,052.22 : x - Step 2: Convert to fraction form
419,026.73/578,268.99 = 228,052.22/x - Step 3: Cross multiply
419,026.73x = 578,268.99 × 228,052.22 - Step 4: Simplify right side
419,026.73x = 131,875,524,035.31 - Step 5: Solve for x
x = 131,875,524,035.31/419,026.73 - Step 6: Final answer
x = 314,718.65
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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.