Finding the Fourth Proportional to 193,973.79, 267,643.68 and 113,385.72
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Solution
The fourth proportional to 193,973.79, 267,643.68 and 113,385.72 is: 156,448.82
Step by Step Solution
- Step 1: Write the proportion equation
193,973.79 : 267,643.68 = 113,385.72 : x - Step 2: Convert to fraction form
193,973.79/267,643.68 = 113,385.72/x - Step 3: Cross multiply
193,973.79x = 267,643.68 × 113,385.72 - Step 4: Simplify right side
193,973.79x = 30,346,970,022.03 - Step 5: Solve for x
x = 30,346,970,022.03/193,973.79 - Step 6: Final answer
x = 156,448.82
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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.