Finding the Fourth Proportional to 438,125.79, 657,241.16 and 134,480.17
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Solution
The fourth proportional to 438,125.79, 657,241.16 and 134,480.17 is: 201,736.37
Step by Step Solution
- Step 1: Write the proportion equation
438,125.79 : 657,241.16 = 134,480.17 : x - Step 2: Convert to fraction form
438,125.79/657,241.16 = 134,480.17/x - Step 3: Cross multiply
438,125.79x = 657,241.16 × 134,480.17 - Step 4: Simplify right side
438,125.79x = 88,385,904,925.44 - Step 5: Solve for x
x = 88,385,904,925.44/438,125.79 - Step 6: Final answer
x = 201,736.37
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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.