Finding the Fourth Proportional to 358,611.24, 537,761.34 and 121,890.36
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Solution
The fourth proportional to 358,611.24, 537,761.34 and 121,890.36 is: 182,782.68
Step by Step Solution
- Step 1: Write the proportion equation
358,611.24 : 537,761.34 = 121,890.36 : x - Step 2: Convert to fraction form
358,611.24/537,761.34 = 121,890.36/x - Step 3: Cross multiply
358,611.24x = 537,761.34 × 121,890.36 - Step 4: Simplify right side
358,611.24x = 65,547,923,326.68 - Step 5: Solve for x
x = 65,547,923,326.68/358,611.24 - Step 6: Final answer
x = 182,782.68
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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.