Finding the Fourth Proportional to 409,943.75, 614,718.79 and 232,403.09
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Solution
The fourth proportional to 409,943.75, 614,718.79 and 232,403.09 is: 348,493.04
Step by Step Solution
- Step 1: Write the proportion equation
409,943.75 : 614,718.79 = 232,403.09 : x - Step 2: Convert to fraction form
409,943.75/614,718.79 = 232,403.09/x - Step 3: Cross multiply
409,943.75x = 614,718.79 × 232,403.09 - Step 4: Simplify right side
409,943.75x = 142,862,542,622.46 - Step 5: Solve for x
x = 142,862,542,622.46/409,943.75 - Step 6: Final answer
x = 348,493.04
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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.