Finding the Fourth Proportional to 681,263.97, 1,022,106.16 and 254,842.88
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Solution
The fourth proportional to 681,263.97, 1,022,106.16 and 254,842.88 is: 382,342.95
Step by Step Solution
- Step 1: Write the proportion equation
681,263.97 : 1,022,106.16 = 254,842.88 : x - Step 2: Convert to fraction form
681,263.97/1,022,106.16 = 254,842.88/x - Step 3: Cross multiply
681,263.97x = 1,022,106.16 × 254,842.88 - Step 4: Simplify right side
681,263.97x = 260,476,472,688.16 - Step 5: Solve for x
x = 260,476,472,688.16/681,263.97 - Step 6: Final answer
x = 382,342.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.