Finding the Fourth Proportional to 181,052.96, 249,845.68 and 100,483.84
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Solution
The fourth proportional to 181,052.96, 249,845.68 and 100,483.84 is: 138,663.59
Step by Step Solution
- Step 1: Write the proportion equation
181,052.96 : 249,845.68 = 100,483.84 : x - Step 2: Convert to fraction form
181,052.96/249,845.68 = 100,483.84/x - Step 3: Cross multiply
181,052.96x = 249,845.68 × 100,483.84 - Step 4: Simplify right side
181,052.96x = 25,105,453,333.81 - Step 5: Solve for x
x = 25,105,453,333.81/181,052.96 - Step 6: Final answer
x = 138,663.59
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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.