Finding the Fourth Proportional to 303,557.42, 455,574.05 and 211,775.94
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Solution
The fourth proportional to 303,557.42, 455,574.05 and 211,775.94 is: 317,829.89
Step by Step Solution
- Step 1: Write the proportion equation
303,557.42 : 455,574.05 = 211,775.94 : x - Step 2: Convert to fraction form
303,557.42/455,574.05 = 211,775.94/x - Step 3: Cross multiply
303,557.42x = 455,574.05 × 211,775.94 - Step 4: Simplify right side
303,557.42x = 96,479,623,099.32 - Step 5: Solve for x
x = 96,479,623,099.32/303,557.42 - Step 6: Final answer
x = 317,829.89
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1.5x scale
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.