Finding the Fourth Proportional to 382,632.64, 528,032.64 and 212,863.12
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Solution
The fourth proportional to 382,632.64, 528,032.64 and 212,863.12 is: 293,750.88
Step by Step Solution
- Step 1: Write the proportion equation
382,632.64 : 528,032.64 = 212,863.12 : x - Step 2: Convert to fraction form
382,632.64/528,032.64 = 212,863.12/x - Step 3: Cross multiply
382,632.64x = 528,032.64 × 212,863.12 - Step 4: Simplify right side
382,632.64x = 112,398,675,212.24 - Step 5: Solve for x
x = 112,398,675,212.24/382,632.64 - Step 6: Final answer
x = 293,750.88
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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.