Finding the Fourth Proportional to 409,649.68, 613,663.50 and 193,212.01
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Solution
The fourth proportional to 409,649.68, 613,663.50 and 193,212.01 is: 289,435.50
Step by Step Solution
- Step 1: Write the proportion equation
409,649.68 : 613,663.50 = 193,212.01 : x - Step 2: Convert to fraction form
409,649.68/613,663.50 = 193,212.01/x - Step 3: Cross multiply
409,649.68x = 613,663.50 × 193,212.01 - Step 4: Simplify right side
409,649.68x = 118,567,158,298.64 - Step 5: Solve for x
x = 118,567,158,298.64/409,649.68 - Step 6: Final answer
x = 289,435.50
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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.