Finding the Fourth Proportional to 207,539.68, 286,384.08 and 116,893.12
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Solution
The fourth proportional to 207,539.68, 286,384.08 and 116,893.12 is: 161,300.86
Step by Step Solution
- Step 1: Write the proportion equation
207,539.68 : 286,384.08 = 116,893.12 : x - Step 2: Convert to fraction form
207,539.68/286,384.08 = 116,893.12/x - Step 3: Cross multiply
207,539.68x = 286,384.08 × 116,893.12 - Step 4: Simplify right side
207,539.68x = 33,476,328,629.53 - Step 5: Solve for x
x = 33,476,328,629.53/207,539.68 - Step 6: Final answer
x = 161,300.86
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1.5x scale
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.