Finding the Fourth Proportional to 298,803.93, 412,343.86 and 162,838.81
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Solution
The fourth proportional to 298,803.93, 412,343.86 and 162,838.81 is: 224,714.53
Step by Step Solution
- Step 1: Write the proportion equation
298,803.93 : 412,343.86 = 162,838.81 : x - Step 2: Convert to fraction form
298,803.93/412,343.86 = 162,838.81/x - Step 3: Cross multiply
298,803.93x = 412,343.86 × 162,838.81 - Step 4: Simplify right side
298,803.93x = 67,145,583,473.21 - Step 5: Solve for x
x = 67,145,583,473.21/298,803.93 - Step 6: Final answer
x = 224,714.53
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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.