Finding the Fourth Proportional to 426,543.80, 588,615.01 and 235,553.09
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Solution
The fourth proportional to 426,543.80, 588,615.01 and 235,553.09 is: 325,054.74
Step by Step Solution
- Step 1: Write the proportion equation
426,543.80 : 588,615.01 = 235,553.09 : x - Step 2: Convert to fraction form
426,543.80/588,615.01 = 235,553.09/x - Step 3: Cross multiply
426,543.80x = 588,615.01 × 235,553.09 - Step 4: Simplify right side
426,543.80x = 138,650,080,893.92 - Step 5: Solve for x
x = 138,650,080,893.92/426,543.80 - Step 6: Final answer
x = 325,054.74
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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.