Finding the Fourth Proportional to 450,957.88, 622,322.14 and 247,012.21
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Solution
The fourth proportional to 450,957.88, 622,322.14 and 247,012.21 is: 340,876.99
Step by Step Solution
- Step 1: Write the proportion equation
450,957.88 : 622,322.14 = 247,012.21 : x - Step 2: Convert to fraction form
450,957.88/622,322.14 = 247,012.21/x - Step 3: Cross multiply
450,957.88x = 622,322.14 × 247,012.21 - Step 4: Simplify right side
450,957.88x = 153,721,166,006.57 - Step 5: Solve for x
x = 153,721,166,006.57/450,957.88 - Step 6: Final answer
x = 340,876.99
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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.