Finding the Fourth Proportional to 277,268.70, 415,903.08 and 66,906.63
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Solution
The fourth proportional to 277,268.70, 415,903.08 and 66,906.63 is: 100,359.96
Step by Step Solution
- Step 1: Write the proportion equation
277,268.70 : 415,903.08 = 66,906.63 : x - Step 2: Convert to fraction form
277,268.70/415,903.08 = 66,906.63/x - Step 3: Cross multiply
277,268.70x = 415,903.08 × 66,906.63 - Step 4: Simplify right side
277,268.70x = 27,826,674,721.87 - Step 5: Solve for x
x = 27,826,674,721.87/277,268.70 - Step 6: Final answer
x = 100,359.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.