Finding the Fourth Proportional to 161,713.08, 242,595.54 and 68,232.60
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Solution
The fourth proportional to 161,713.08, 242,595.54 and 68,232.60 is: 102,359.84
Step by Step Solution
- Step 1: Write the proportion equation
161,713.08 : 242,595.54 = 68,232.60 : x - Step 2: Convert to fraction form
161,713.08/242,595.54 = 68,232.60/x - Step 3: Cross multiply
161,713.08x = 242,595.54 × 68,232.60 - Step 4: Simplify right side
161,713.08x = 16,552,924,442.60 - Step 5: Solve for x
x = 16,552,924,442.60/161,713.08 - Step 6: Final answer
x = 102,359.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.