Finding the Fourth Proportional to 163,666.08, 245,186.40 and 137,181.60
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Solution
The fourth proportional to 163,666.08, 245,186.40 and 137,181.60 is: 205,510.28
Step by Step Solution
- Step 1: Write the proportion equation
163,666.08 : 245,186.40 = 137,181.60 : x - Step 2: Convert to fraction form
163,666.08/245,186.40 = 137,181.60/x - Step 3: Cross multiply
163,666.08x = 245,186.40 × 137,181.60 - Step 4: Simplify right side
163,666.08x = 33,635,062,650.24 - Step 5: Solve for x
x = 33,635,062,650.24/163,666.08 - Step 6: Final answer
x = 205,510.28
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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.