Finding the Fourth Proportional to 169,159.16, 253,618.68 and 84,858.68
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Solution
The fourth proportional to 169,159.16, 253,618.68 and 84,858.68 is: 127,227.79
Step by Step Solution
- Step 1: Write the proportion equation
169,159.16 : 253,618.68 = 84,858.68 : x - Step 2: Convert to fraction form
169,159.16/253,618.68 = 84,858.68/x - Step 3: Cross multiply
169,159.16x = 253,618.68 × 84,858.68 - Step 4: Simplify right side
169,159.16x = 21,521,746,408.14 - Step 5: Solve for x
x = 21,521,746,408.14/169,159.16 - Step 6: Final answer
x = 127,227.79
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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.