Finding the Fourth Proportional to 196,783.62, 271,564.53 and 107,359.62
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Solution
The fourth proportional to 196,783.62, 271,564.53 and 107,359.62 is: 148,157.99
Step by Step Solution
- Step 1: Write the proportion equation
196,783.62 : 271,564.53 = 107,359.62 : x - Step 2: Convert to fraction form
196,783.62/271,564.53 = 107,359.62/x - Step 3: Cross multiply
196,783.62x = 271,564.53 × 107,359.62 - Step 4: Simplify right side
196,783.62x = 29,155,064,746.28 - Step 5: Solve for x
x = 29,155,064,746.28/196,783.62 - Step 6: Final answer
x = 148,157.99
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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.