Finding the Fourth Proportional to 147,577.70, 203,656.28 and 83,915.48
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Solution
The fourth proportional to 147,577.70, 203,656.28 and 83,915.48 is: 115,802.82
Step by Step Solution
- Step 1: Write the proportion equation
147,577.70 : 203,656.28 = 83,915.48 : x - Step 2: Convert to fraction form
147,577.70/203,656.28 = 83,915.48/x - Step 3: Cross multiply
147,577.70x = 203,656.28 × 83,915.48 - Step 4: Simplify right side
147,577.70x = 17,089,914,491.21 - Step 5: Solve for x
x = 17,089,914,491.21/147,577.70 - Step 6: Final answer
x = 115,802.82
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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.