Finding the Fourth Proportional to 144,272.19, 217,393.04 and 118,553.07
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Solution
The fourth proportional to 144,272.19, 217,393.04 and 118,553.07 is: 178,638.81
Step by Step Solution
- Step 1: Write the proportion equation
144,272.19 : 217,393.04 = 118,553.07 : x - Step 2: Convert to fraction form
144,272.19/217,393.04 = 118,553.07/x - Step 3: Cross multiply
144,272.19x = 217,393.04 × 118,553.07 - Step 4: Simplify right side
144,272.19x = 25,772,611,769.79 - Step 5: Solve for x
x = 25,772,611,769.79/144,272.19 - Step 6: Final answer
x = 178,638.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.