Finding the Fourth Proportional to 402,682.24, 555,702.60 and 221,412.70
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Solution
The fourth proportional to 402,682.24, 555,702.60 and 221,412.70 is: 305,550.14
Step by Step Solution
- Step 1: Write the proportion equation
402,682.24 : 555,702.60 = 221,412.70 : x - Step 2: Convert to fraction form
402,682.24/555,702.60 = 221,412.70/x - Step 3: Cross multiply
402,682.24x = 555,702.60 × 221,412.70 - Step 4: Simplify right side
402,682.24x = 123,039,613,063.02 - Step 5: Solve for x
x = 123,039,613,063.02/402,682.24 - Step 6: Final answer
x = 305,550.14
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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.