Finding the Fourth Proportional to 358,881.23, 538,405.18 and 122,225.96
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Solution
The fourth proportional to 358,881.23, 538,405.18 and 122,225.96 is: 183,367.32
Step by Step Solution
- Step 1: Write the proportion equation
358,881.23 : 538,405.18 = 122,225.96 : x - Step 2: Convert to fraction form
358,881.23/538,405.18 = 122,225.96/x - Step 3: Cross multiply
358,881.23x = 538,405.18 × 122,225.96 - Step 4: Simplify right side
358,881.23x = 65,807,091,034.92 - Step 5: Solve for x
x = 65,807,091,034.92/358,881.23 - Step 6: Final answer
x = 183,367.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.