Finding the Fourth Proportional to 163,722.41, 245,583.62 and 45,393.75
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Solution
The fourth proportional to 163,722.41, 245,583.62 and 45,393.75 is: 68,090.63
Step by Step Solution
- Step 1: Write the proportion equation
163,722.41 : 245,583.62 = 45,393.75 : x - Step 2: Convert to fraction form
163,722.41/245,583.62 = 45,393.75/x - Step 3: Cross multiply
163,722.41x = 245,583.62 × 45,393.75 - Step 4: Simplify right side
163,722.41x = 11,147,961,223.41 - Step 5: Solve for x
x = 11,147,961,223.41/163,722.41 - Step 6: Final answer
x = 68,090.63
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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.