Finding the Fourth Proportional to 305,361.40, 457,827.48 and 134,502.02
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Solution
The fourth proportional to 305,361.40, 457,827.48 and 134,502.02 is: 201,658.50
Step by Step Solution
- Step 1: Write the proportion equation
305,361.40 : 457,827.48 = 134,502.02 : x - Step 2: Convert to fraction form
305,361.40/457,827.48 = 134,502.02/x - Step 3: Cross multiply
305,361.40x = 457,827.48 × 134,502.02 - Step 4: Simplify right side
305,361.40x = 61,578,720,871.51 - Step 5: Solve for x
x = 61,578,720,871.51/305,361.40 - Step 6: Final answer
x = 201,658.50
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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.