Finding the Fourth Proportional to 160,284.69, 221,177.97 and 88,663.14
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Solution
The fourth proportional to 160,284.69, 221,177.97 and 88,663.14 is: 122,346.89
Step by Step Solution
- Step 1: Write the proportion equation
160,284.69 : 221,177.97 = 88,663.14 : x - Step 2: Convert to fraction form
160,284.69/221,177.97 = 88,663.14/x - Step 3: Cross multiply
160,284.69x = 221,177.97 × 88,663.14 - Step 4: Simplify right side
160,284.69x = 19,610,333,319.03 - Step 5: Solve for x
x = 19,610,333,319.03/160,284.69 - Step 6: Final answer
x = 122,346.89
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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.