Finding the Fourth Proportional to 160,617.36, 221,652.36 and 88,996.80
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Solution
The fourth proportional to 160,617.36, 221,652.36 and 88,996.80 is: 122,815.81
Step by Step Solution
- Step 1: Write the proportion equation
160,617.36 : 221,652.36 = 88,996.80 : x - Step 2: Convert to fraction form
160,617.36/221,652.36 = 88,996.80/x - Step 3: Cross multiply
160,617.36x = 221,652.36 × 88,996.80 - Step 4: Simplify right side
160,617.36x = 19,726,350,752.45 - Step 5: Solve for x
x = 19,726,350,752.45/160,617.36 - Step 6: Final answer
x = 122,815.81
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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.