Finding the Fourth Proportional to 476,487.18, 657,561.43 and 261,649.26
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Solution
The fourth proportional to 476,487.18, 657,561.43 and 261,649.26 is: 361,080.99
Step by Step Solution
- Step 1: Write the proportion equation
476,487.18 : 657,561.43 = 261,649.26 : x - Step 2: Convert to fraction form
476,487.18/657,561.43 = 261,649.26/x - Step 3: Cross multiply
476,487.18x = 657,561.43 × 261,649.26 - Step 4: Simplify right side
476,487.18x = 172,050,461,564.04 - Step 5: Solve for x
x = 172,050,461,564.04/476,487.18 - Step 6: Final answer
x = 361,080.99
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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.