Finding the Fourth Proportional to 302,657.08, 417,706.82 and 195,538.72
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Solution
The fourth proportional to 302,657.08, 417,706.82 and 195,538.72 is: 269,869.31
Step by Step Solution
- Step 1: Write the proportion equation
302,657.08 : 417,706.82 = 195,538.72 : x - Step 2: Convert to fraction form
302,657.08/417,706.82 = 195,538.72/x - Step 3: Cross multiply
302,657.08x = 417,706.82 × 195,538.72 - Step 4: Simplify right side
302,657.08x = 81,677,856,918.07 - Step 5: Solve for x
x = 81,677,856,918.07/302,657.08 - Step 6: Final answer
x = 269,869.31
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1.5x scale
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.