Finding the Fourth Proportional to 299,079.96, 412,718.93 and 164,943.96
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Solution
The fourth proportional to 299,079.96, 412,718.93 and 164,943.96 is: 227,616.37
Step by Step Solution
- Step 1: Write the proportion equation
299,079.96 : 412,718.93 = 164,943.96 : x - Step 2: Convert to fraction form
299,079.96/412,718.93 = 164,943.96/x - Step 3: Cross multiply
299,079.96x = 412,718.93 × 164,943.96 - Step 4: Simplify right side
299,079.96x = 68,075,493,856.44 - Step 5: Solve for x
x = 68,075,493,856.44/299,079.96 - Step 6: Final answer
x = 227,616.37
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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.