Finding the Fourth Proportional to 135,416.18, 202,999.87 and 46,648.58
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Solution
The fourth proportional to 135,416.18, 202,999.87 and 46,648.58 is: 69,930.02
Step by Step Solution
- Step 1: Write the proportion equation
135,416.18 : 202,999.87 = 46,648.58 : x - Step 2: Convert to fraction form
135,416.18/202,999.87 = 46,648.58/x - Step 3: Cross multiply
135,416.18x = 202,999.87 × 46,648.58 - Step 4: Simplify right side
135,416.18x = 9,469,655,675.68 - Step 5: Solve for x
x = 9,469,655,675.68/135,416.18 - Step 6: Final answer
x = 69,930.02
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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.