Finding the Fourth Proportional to 168,380.58, 232,357.95 and 91,897.74
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Solution
The fourth proportional to 168,380.58, 232,357.95 and 91,897.74 is: 126,814.92
Step by Step Solution
- Step 1: Write the proportion equation
168,380.58 : 232,357.95 = 91,897.74 : x - Step 2: Convert to fraction form
168,380.58/232,357.95 = 91,897.74/x - Step 3: Cross multiply
168,380.58x = 232,357.95 × 91,897.74 - Step 4: Simplify right side
168,380.58x = 21,353,170,476.03 - Step 5: Solve for x
x = 21,353,170,476.03/168,380.58 - Step 6: Final answer
x = 126,814.92
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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.