Finding the Fourth Proportional to 193,445.94, 266,516.26 and 149,688.04
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Solution
The fourth proportional to 193,445.94, 266,516.26 and 149,688.04 is: 206,229.70
Step by Step Solution
- Step 1: Write the proportion equation
193,445.94 : 266,516.26 = 149,688.04 : x - Step 2: Convert to fraction form
193,445.94/266,516.26 = 149,688.04/x - Step 3: Cross multiply
193,445.94x = 266,516.26 × 149,688.04 - Step 4: Simplify right side
193,445.94x = 39,894,296,619.19 - Step 5: Solve for x
x = 39,894,296,619.19/193,445.94 - Step 6: Final answer
x = 206,229.70
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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.