Finding the Fourth Proportional to 324,187.80, 486,302.38 and 134,663.60
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Solution
The fourth proportional to 324,187.80, 486,302.38 and 134,663.60 is: 202,003.99
Step by Step Solution
- Step 1: Write the proportion equation
324,187.80 : 486,302.38 = 134,663.60 : x - Step 2: Convert to fraction form
324,187.80/486,302.38 = 134,663.60/x - Step 3: Cross multiply
324,187.80x = 486,302.38 × 134,663.60 - Step 4: Simplify right side
324,187.80x = 65,487,228,080.50 - Step 5: Solve for x
x = 65,487,228,080.50/324,187.80 - Step 6: Final answer
x = 202,003.99
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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.