Finding the Fourth Proportional to 405,698.01, 559,674.73 and 262,504.18
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Solution
The fourth proportional to 405,698.01, 559,674.73 and 262,504.18 is: 362,133.79
Step by Step Solution
- Step 1: Write the proportion equation
405,698.01 : 559,674.73 = 262,504.18 : x - Step 2: Convert to fraction form
405,698.01/559,674.73 = 262,504.18/x - Step 3: Cross multiply
405,698.01x = 559,674.73 × 262,504.18 - Step 4: Simplify right side
405,698.01x = 146,916,956,065.37 - Step 5: Solve for x
x = 146,916,956,065.37/405,698.01 - Step 6: Final answer
x = 362,133.79
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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.