Finding the Fourth Proportional to 160,188.60, 221,056.36 and 88,566.80
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Solution
The fourth proportional to 160,188.60, 221,056.36 and 88,566.80 is: 122,220.02
Step by Step Solution
- Step 1: Write the proportion equation
160,188.60 : 221,056.36 = 88,566.80 : x - Step 2: Convert to fraction form
160,188.60/221,056.36 = 88,566.80/x - Step 3: Cross multiply
160,188.60x = 221,056.36 × 88,566.80 - Step 4: Simplify right side
160,188.60x = 19,578,254,424.85 - Step 5: Solve for x
x = 19,578,254,424.85/160,188.60 - Step 6: Final answer
x = 122,220.02
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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.