Finding the Fourth Proportional to 547,852.08, 756,032.19 and 306,135.26
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Solution
The fourth proportional to 547,852.08, 756,032.19 and 306,135.26 is: 422,464.60
Step by Step Solution
- Step 1: Write the proportion equation
547,852.08 : 756,032.19 = 306,135.26 : x - Step 2: Convert to fraction form
547,852.08/756,032.19 = 306,135.26/x - Step 3: Cross multiply
547,852.08x = 756,032.19 × 306,135.26 - Step 4: Simplify right side
547,852.08x = 231,448,111,054.02 - Step 5: Solve for x
x = 231,448,111,054.02/547,852.08 - Step 6: Final answer
x = 422,464.60
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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.