Finding the Fourth Proportional to 183,342.12, 253,023.81 and 102,769.68
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Solution
The fourth proportional to 183,342.12, 253,023.81 and 102,769.68 is: 141,828.71
Step by Step Solution
- Step 1: Write the proportion equation
183,342.12 : 253,023.81 = 102,769.68 : x - Step 2: Convert to fraction form
183,342.12/253,023.81 = 102,769.68/x - Step 3: Cross multiply
183,342.12x = 253,023.81 × 102,769.68 - Step 4: Simplify right side
183,342.12x = 26,003,175,986.08 - Step 5: Solve for x
x = 26,003,175,986.08/183,342.12 - Step 6: Final answer
x = 141,828.71
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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.