Finding the Fourth Proportional to 405,357.66, 559,449.12 and 233,272.08
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Solution
The fourth proportional to 405,357.66, 559,449.12 and 233,272.08 is: 321,947.44
Step by Step Solution
- Step 1: Write the proportion equation
405,357.66 : 559,449.12 = 233,272.08 : x - Step 2: Convert to fraction form
405,357.66/559,449.12 = 233,272.08/x - Step 3: Cross multiply
405,357.66x = 559,449.12 × 233,272.08 - Step 4: Simplify right side
405,357.66x = 130,503,859,876.57 - Step 5: Solve for x
x = 130,503,859,876.57/405,357.66 - Step 6: Final answer
x = 321,947.44
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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.