Finding the Fourth Proportional to 160,396.03, 221,343.84 and 88,774.53
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Solution
The fourth proportional to 160,396.03, 221,343.84 and 88,774.53 is: 122,507.37
Step by Step Solution
- Step 1: Write the proportion equation
160,396.03 : 221,343.84 = 88,774.53 : x - Step 2: Convert to fraction form
160,396.03/221,343.84 = 88,774.53/x - Step 3: Cross multiply
160,396.03x = 221,343.84 × 88,774.53 - Step 4: Simplify right side
160,396.03x = 19,649,695,364.40 - Step 5: Solve for x
x = 19,649,695,364.40/160,396.03 - Step 6: Final answer
x = 122,507.37
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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.