Finding the Fourth Proportional to 135,672.93, 203,509.41 and 46,877.99
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Solution
The fourth proportional to 135,672.93, 203,509.41 and 46,877.99 is: 70,316.99
Step by Step Solution
- Step 1: Write the proportion equation
135,672.93 : 203,509.41 = 46,877.99 : x - Step 2: Convert to fraction form
135,672.93/203,509.41 = 46,877.99/x - Step 3: Cross multiply
135,672.93x = 203,509.41 × 46,877.99 - Step 4: Simplify right side
135,672.93x = 9,540,112,595.66 - Step 5: Solve for x
x = 9,540,112,595.66/135,672.93 - Step 6: Final answer
x = 70,316.99
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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.