Finding the Fourth Proportional to 188,751.98, 260,643.84 and 128,466.63
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Solution
The fourth proportional to 188,751.98, 260,643.84 and 128,466.63 is: 177,397.01
Step by Step Solution
- Step 1: Write the proportion equation
188,751.98 : 260,643.84 = 128,466.63 : x - Step 2: Convert to fraction form
188,751.98/260,643.84 = 128,466.63/x - Step 3: Cross multiply
188,751.98x = 260,643.84 × 128,466.63 - Step 4: Simplify right side
188,751.98x = 33,484,035,755.06 - Step 5: Solve for x
x = 33,484,035,755.06/188,751.98 - Step 6: Final answer
x = 177,397.01
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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.