Finding the Fourth Proportional to 286,471.18, 395,192.01 and 190,855.54
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Solution
The fourth proportional to 286,471.18, 395,192.01 and 190,855.54 is: 263,288.56
Step by Step Solution
- Step 1: Write the proportion equation
286,471.18 : 395,192.01 = 190,855.54 : x - Step 2: Convert to fraction form
286,471.18/395,192.01 = 190,855.54/x - Step 3: Cross multiply
286,471.18x = 395,192.01 × 190,855.54 - Step 4: Simplify right side
286,471.18x = 75,424,584,472.24 - Step 5: Solve for x
x = 75,424,584,472.24/286,471.18 - Step 6: Final answer
x = 263,288.56
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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.