Finding the Fourth Proportional to 160,383.34, 221,319.84 and 88,759.09
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Solution
The fourth proportional to 160,383.34, 221,319.84 and 88,759.09 is: 122,482.47
Step by Step Solution
- Step 1: Write the proportion equation
160,383.34 : 221,319.84 = 88,759.09 : x - Step 2: Convert to fraction form
160,383.34/221,319.84 = 88,759.09/x - Step 3: Cross multiply
160,383.34x = 221,319.84 × 88,759.09 - Step 4: Simplify right side
160,383.34x = 19,644,148,206.84 - Step 5: Solve for x
x = 19,644,148,206.84/160,383.34 - Step 6: Final answer
x = 122,482.47
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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.