Finding the Fourth Proportional to 416,293.29, 574,486.44 and 225,306.63
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Solution
The fourth proportional to 416,293.29, 574,486.44 and 225,306.63 is: 310,924.07
Step by Step Solution
- Step 1: Write the proportion equation
416,293.29 : 574,486.44 = 225,306.63 : x - Step 2: Convert to fraction form
416,293.29/574,486.44 = 225,306.63/x - Step 3: Cross multiply
416,293.29x = 574,486.44 × 225,306.63 - Step 4: Simplify right side
416,293.29x = 129,435,603,777.10 - Step 5: Solve for x
x = 129,435,603,777.10/416,293.29 - Step 6: Final answer
x = 310,924.07
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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.