Finding the Fourth Proportional to 198,511.06, 273,946.99 and 107,867.02
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Solution
The fourth proportional to 198,511.06, 273,946.99 and 107,867.02 is: 148,857.43
Step by Step Solution
- Step 1: Write the proportion equation
198,511.06 : 273,946.99 = 107,867.02 : x - Step 2: Convert to fraction form
198,511.06/273,946.99 = 107,867.02/x - Step 3: Cross multiply
198,511.06x = 273,946.99 × 107,867.02 - Step 4: Simplify right side
198,511.06x = 29,549,845,449.27 - Step 5: Solve for x
x = 29,549,845,449.27/198,511.06 - Step 6: Final answer
x = 148,857.43
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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.