Finding the Fourth Proportional to 352,623.68, 528,935.52 and 103,305.68
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Solution
The fourth proportional to 352,623.68, 528,935.52 and 103,305.68 is: 154,958.52
Step by Step Solution
- Step 1: Write the proportion equation
352,623.68 : 528,935.52 = 103,305.68 : x - Step 2: Convert to fraction form
352,623.68/528,935.52 = 103,305.68/x - Step 3: Cross multiply
352,623.68x = 528,935.52 × 103,305.68 - Step 4: Simplify right side
352,623.68x = 54,642,043,569.75 - Step 5: Solve for x
x = 54,642,043,569.75/352,623.68 - Step 6: Final answer
x = 154,958.52
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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.