Finding the Fourth Proportional to 395,703.13, 546,098.04 and 223,636.99
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Solution
The fourth proportional to 395,703.13, 546,098.04 and 223,636.99 is: 308,634.71
Step by Step Solution
- Step 1: Write the proportion equation
395,703.13 : 546,098.04 = 223,636.99 : x - Step 2: Convert to fraction form
395,703.13/546,098.04 = 223,636.99/x - Step 3: Cross multiply
395,703.13x = 546,098.04 × 223,636.99 - Step 4: Simplify right side
395,703.13x = 122,127,721,910.50 - Step 5: Solve for x
x = 122,127,721,910.50/395,703.13 - Step 6: Final answer
x = 308,634.71
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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.