Finding the Fourth Proportional to 169,098.05, 253,526.91 and 84,797.39
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Solution
The fourth proportional to 169,098.05, 253,526.91 and 84,797.39 is: 127,135.82
Step by Step Solution
- Step 1: Write the proportion equation
169,098.05 : 253,526.91 = 84,797.39 : x - Step 2: Convert to fraction form
169,098.05/253,526.91 = 84,797.39/x - Step 3: Cross multiply
169,098.05x = 253,526.91 × 84,797.39 - Step 4: Simplify right side
169,098.05x = 21,498,418,995.13 - Step 5: Solve for x
x = 21,498,418,995.13/169,098.05 - Step 6: Final answer
x = 127,135.82
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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.