Finding the Fourth Proportional to 668,643.75, 922,744.58 and 366,837.75
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Solution
The fourth proportional to 668,643.75, 922,744.58 and 366,837.75 is: 506,244.98
Step by Step Solution
- Step 1: Write the proportion equation
668,643.75 : 922,744.58 = 366,837.75 : x - Step 2: Convert to fraction form
668,643.75/922,744.58 = 366,837.75/x - Step 3: Cross multiply
668,643.75x = 922,744.58 × 366,837.75 - Step 4: Simplify right side
668,643.75x = 338,497,543,717.71 - Step 5: Solve for x
x = 338,497,543,717.71/668,643.75 - Step 6: Final answer
x = 506,244.98
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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.