Finding the Fourth Proportional to 193,312.26, 266,772.96 and 108,427.50
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Solution
The fourth proportional to 193,312.26, 266,772.96 and 108,427.50 is: 149,631.09
Step by Step Solution
- Step 1: Write the proportion equation
193,312.26 : 266,772.96 = 108,427.50 : x - Step 2: Convert to fraction form
193,312.26/266,772.96 = 108,427.50/x - Step 3: Cross multiply
193,312.26x = 266,772.96 × 108,427.50 - Step 4: Simplify right side
193,312.26x = 28,925,525,120.40 - Step 5: Solve for x
x = 28,925,525,120.40/193,312.26 - Step 6: Final answer
x = 149,631.09
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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.