Finding the Fourth Proportional to 354,669.84, 531,403.32 and 214,133.28
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Solution
The fourth proportional to 354,669.84, 531,403.32 and 214,133.28 is: 320,836.80
Step by Step Solution
- Step 1: Write the proportion equation
354,669.84 : 531,403.32 = 214,133.28 : x - Step 2: Convert to fraction form
354,669.84/531,403.32 = 214,133.28/x - Step 3: Cross multiply
354,669.84x = 531,403.32 × 214,133.28 - Step 4: Simplify right side
354,669.84x = 113,791,135,914.49 - Step 5: Solve for x
x = 113,791,135,914.49/354,669.84 - Step 6: Final answer
x = 320,836.80
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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.