Finding the Fourth Proportional to 416,813.31, 575,201.25 and 225,827.19
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Solution
The fourth proportional to 416,813.31, 575,201.25 and 225,827.19 is: 311,640.92
Step by Step Solution
- Step 1: Write the proportion equation
416,813.31 : 575,201.25 = 225,827.19 : x - Step 2: Convert to fraction form
416,813.31/575,201.25 = 225,827.19/x - Step 3: Cross multiply
416,813.31x = 575,201.25 × 225,827.19 - Step 4: Simplify right side
416,813.31x = 129,896,081,971.99 - Step 5: Solve for x
x = 129,896,081,971.99/416,813.31 - Step 6: Final answer
x = 311,640.92
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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.