Finding the Fourth Proportional to 157,599.42, 217,459.98 and 88,679.28
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Solution
The fourth proportional to 157,599.42, 217,459.98 and 88,679.28 is: 122,362.09
Step by Step Solution
- Step 1: Write the proportion equation
157,599.42 : 217,459.98 = 88,679.28 : x - Step 2: Convert to fraction form
157,599.42/217,459.98 = 88,679.28/x - Step 3: Cross multiply
157,599.42x = 217,459.98 × 88,679.28 - Step 4: Simplify right side
157,599.42x = 19,284,194,455.21 - Step 5: Solve for x
x = 19,284,194,455.21/157,599.42 - Step 6: Final answer
x = 122,362.09
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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.