Finding the Fourth Proportional to 193,973.91, 267,643.85 and 113,385.84
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Solution
The fourth proportional to 193,973.91, 267,643.85 and 113,385.84 is: 156,448.99
Step by Step Solution
- Step 1: Write the proportion equation
193,973.91 : 267,643.85 = 113,385.84 : x - Step 2: Convert to fraction form
193,973.91/267,643.85 = 113,385.84/x - Step 3: Cross multiply
193,973.91x = 267,643.85 × 113,385.84 - Step 4: Simplify right side
193,973.91x = 30,347,023,036.55 - Step 5: Solve for x
x = 30,347,023,036.55/193,973.91 - Step 6: Final answer
x = 156,448.99
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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.