Finding the Fourth Proportional to 160,355.79, 221,287.68 and 88,735.77
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Solution
The fourth proportional to 160,355.79, 221,287.68 and 88,735.77 is: 122,453.53
Step by Step Solution
- Step 1: Write the proportion equation
160,355.79 : 221,287.68 = 88,735.77 : x - Step 2: Convert to fraction form
160,355.79/221,287.68 = 88,735.77/x - Step 3: Cross multiply
160,355.79x = 221,287.68 × 88,735.77 - Step 4: Simplify right side
160,355.79x = 19,636,132,676.31 - Step 5: Solve for x
x = 19,636,132,676.31/160,355.79 - Step 6: Final answer
x = 122,453.53
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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.