Finding the Fourth Proportional to 409,214.09, 564,743.83 and 248,075.93
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Solution
The fourth proportional to 409,214.09, 564,743.83 and 248,075.93 is: 342,361.99
Step by Step Solution
- Step 1: Write the proportion equation
409,214.09 : 564,743.83 = 248,075.93 : x - Step 2: Convert to fraction form
409,214.09/564,743.83 = 248,075.93/x - Step 3: Cross multiply
409,214.09x = 564,743.83 × 248,075.93 - Step 4: Simplify right side
409,214.09x = 140,099,348,015.29 - Step 5: Solve for x
x = 140,099,348,015.29/409,214.09 - Step 6: Final answer
x = 342,361.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.