Finding the Fourth Proportional to 382,993.62, 528,552.13 and 213,224.02
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Solution
The fourth proportional to 382,993.62, 528,552.13 and 213,224.02 is: 294,260.80
Step by Step Solution
- Step 1: Write the proportion equation
382,993.62 : 528,552.13 = 213,224.02 : x - Step 2: Convert to fraction form
382,993.62/528,552.13 = 213,224.02/x - Step 3: Cross multiply
382,993.62x = 528,552.13 × 213,224.02 - Step 4: Simplify right side
382,993.62x = 112,700,009,938.16 - Step 5: Solve for x
x = 112,700,009,938.16/382,993.62 - Step 6: Final answer
x = 294,260.80
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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.