Finding the Fourth Proportional to 410,383.44, 566,338.74 and 257,428.14
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Solution
The fourth proportional to 410,383.44, 566,338.74 and 257,428.14 is: 355,256.85
Step by Step Solution
- Step 1: Write the proportion equation
410,383.44 : 566,338.74 = 257,428.14 : x - Step 2: Convert to fraction form
410,383.44/566,338.74 = 257,428.14/x - Step 3: Cross multiply
410,383.44x = 566,338.74 × 257,428.14 - Step 4: Simplify right side
410,383.44x = 145,791,528,448.14 - Step 5: Solve for x
x = 145,791,528,448.14/410,383.44 - Step 6: Final answer
x = 355,256.85
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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.