Finding the Fourth Proportional to 311,705.02, 430,153.02 and 168,465.08
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Solution
The fourth proportional to 311,705.02, 430,153.02 and 168,465.08 is: 232,481.86
Step by Step Solution
- Step 1: Write the proportion equation
311,705.02 : 430,153.02 = 168,465.08 : x - Step 2: Convert to fraction form
311,705.02/430,153.02 = 168,465.08/x - Step 3: Cross multiply
311,705.02x = 430,153.02 × 168,465.08 - Step 4: Simplify right side
311,705.02x = 72,465,762,926.54 - Step 5: Solve for x
x = 72,465,762,926.54/311,705.02 - Step 6: Final answer
x = 232,481.86
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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.