Finding the Fourth Proportional to 161,484.08, 222,721.80 and 104,913.68
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Solution
The fourth proportional to 161,484.08, 222,721.80 and 104,913.68 is: 144,698.87
Step by Step Solution
- Step 1: Write the proportion equation
161,484.08 : 222,721.80 = 104,913.68 : x - Step 2: Convert to fraction form
161,484.08/222,721.80 = 104,913.68/x - Step 3: Cross multiply
161,484.08x = 222,721.80 × 104,913.68 - Step 4: Simplify right side
161,484.08x = 23,366,563,654.22 - Step 5: Solve for x
x = 23,366,563,654.22/161,484.08 - Step 6: Final answer
x = 144,698.87
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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.