Finding the Fourth Proportional to 200,083.58, 276,124.20 and 115,227.98
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Solution
The fourth proportional to 200,083.58, 276,124.20 and 115,227.98 is: 159,019.71
Step by Step Solution
- Step 1: Write the proportion equation
200,083.58 : 276,124.20 = 115,227.98 : x - Step 2: Convert to fraction form
200,083.58/276,124.20 = 115,227.98/x - Step 3: Cross multiply
200,083.58x = 276,124.20 × 115,227.98 - Step 4: Simplify right side
200,083.58x = 31,817,233,795.12 - Step 5: Solve for x
x = 31,817,233,795.12/200,083.58 - Step 6: Final answer
x = 159,019.71
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1.5x scale
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.