Finding the Fourth Proportional to 364,193.73, 502,408.71 and 243,364.68
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Solution
The fourth proportional to 364,193.73, 502,408.71 and 243,364.68 is: 335,723.89
Step by Step Solution
- Step 1: Write the proportion equation
364,193.73 : 502,408.71 = 243,364.68 : x - Step 2: Convert to fraction form
364,193.73/502,408.71 = 243,364.68/x - Step 3: Cross multiply
364,193.73x = 502,408.71 × 243,364.68 - Step 4: Simplify right side
364,193.73x = 122,268,534,938.36 - Step 5: Solve for x
x = 122,268,534,938.36/364,193.73 - Step 6: Final answer
x = 335,723.89
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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.