Finding the Fourth Proportional to 416,270.08, 574,454.40 and 225,283.36
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Solution
The fourth proportional to 416,270.08, 574,454.40 and 225,283.36 is: 310,891.95
Step by Step Solution
- Step 1: Write the proportion equation
416,270.08 : 574,454.40 = 225,283.36 : x - Step 2: Convert to fraction form
416,270.08/574,454.40 = 225,283.36/x - Step 3: Cross multiply
416,270.08x = 574,454.40 × 225,283.36 - Step 4: Simplify right side
416,270.08x = 129,415,017,398.78 - Step 5: Solve for x
x = 129,415,017,398.78/416,270.08 - Step 6: Final answer
x = 310,891.95
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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.