Finding the Fourth Proportional to 186,214.96, 256,974.14 and 101,331.82
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Solution
The fourth proportional to 186,214.96, 256,974.14 and 101,331.82 is: 139,836.55
Step by Step Solution
- Step 1: Write the proportion equation
186,214.96 : 256,974.14 = 101,331.82 : x - Step 2: Convert to fraction form
186,214.96/256,974.14 = 101,331.82/x - Step 3: Cross multiply
186,214.96x = 256,974.14 × 101,331.82 - Step 4: Simplify right side
186,214.96x = 26,039,657,299.13 - Step 5: Solve for x
x = 26,039,657,299.13/186,214.96 - Step 6: Final answer
x = 139,836.55
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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.