Finding the Fourth Proportional to 614,125.43, 921,705.74 and 259,394.03
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Solution
The fourth proportional to 614,125.43, 921,705.74 and 259,394.03 is: 389,309.66
Step by Step Solution
- Step 1: Write the proportion equation
614,125.43 : 921,705.74 = 259,394.03 : x - Step 2: Convert to fraction form
614,125.43/921,705.74 = 259,394.03/x - Step 3: Cross multiply
614,125.43x = 921,705.74 × 259,394.03 - Step 4: Simplify right side
614,125.43x = 239,084,965,075.76 - Step 5: Solve for x
x = 239,084,965,075.76/614,125.43 - Step 6: Final answer
x = 389,309.66
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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.