Finding the Fourth Proportional to 476,717.23, 657,873.70 and 261,862.10
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Solution
The fourth proportional to 476,717.23, 657,873.70 and 261,862.10 is: 361,371.85
Step by Step Solution
- Step 1: Write the proportion equation
476,717.23 : 657,873.70 = 261,862.10 : x - Step 2: Convert to fraction form
476,717.23/657,873.70 = 261,862.10/x - Step 3: Cross multiply
476,717.23x = 657,873.70 × 261,862.10 - Step 4: Simplify right side
476,717.23x = 172,272,187,139.77 - Step 5: Solve for x
x = 172,272,187,139.77/476,717.23 - Step 6: Final answer
x = 361,371.85
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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.