Finding the Fourth Proportional to 303,701.70, 455,552.55 and 135,221.70
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Solution
The fourth proportional to 303,701.70, 455,552.55 and 135,221.70 is: 202,832.55
Step by Step Solution
- Step 1: Write the proportion equation
303,701.70 : 455,552.55 = 135,221.70 : x - Step 2: Convert to fraction form
303,701.70/455,552.55 = 135,221.70/x - Step 3: Cross multiply
303,701.70x = 455,552.55 × 135,221.70 - Step 4: Simplify right side
303,701.70x = 61,600,590,250.34 - Step 5: Solve for x
x = 61,600,590,250.34/303,701.70 - Step 6: Final answer
x = 202,832.55
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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.