Finding the Fourth Proportional to 351,789.96, 485,494.41 and 214,022.63
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Solution
The fourth proportional to 351,789.96, 485,494.41 and 214,022.63 is: 295,365.99
Step by Step Solution
- Step 1: Write the proportion equation
351,789.96 : 485,494.41 = 214,022.63 : x - Step 2: Convert to fraction form
351,789.96/485,494.41 = 214,022.63/x - Step 3: Cross multiply
351,789.96x = 485,494.41 × 214,022.63 - Step 4: Simplify right side
351,789.96x = 103,906,789,925.49 - Step 5: Solve for x
x = 103,906,789,925.49/351,789.96 - Step 6: Final answer
x = 295,365.99
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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.