Finding the Fourth Proportional to 410,781.88, 616,250.58 and 189,165.88
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Solution
The fourth proportional to 410,781.88, 616,250.58 and 189,165.88 is: 283,784.62
Step by Step Solution
- Step 1: Write the proportion equation
410,781.88 : 616,250.58 = 189,165.88 : x - Step 2: Convert to fraction form
410,781.88/616,250.58 = 189,165.88/x - Step 3: Cross multiply
410,781.88x = 616,250.58 × 189,165.88 - Step 4: Simplify right side
410,781.88x = 116,573,579,239.13 - Step 5: Solve for x
x = 116,573,579,239.13/410,781.88 - Step 6: Final answer
x = 283,784.62
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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.