Finding the Fourth Proportional to 476,456.29, 657,510.80 and 261,610.19
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Solution
The fourth proportional to 476,456.29, 657,510.80 and 261,610.19 is: 361,022.68
Step by Step Solution
- Step 1: Write the proportion equation
476,456.29 : 657,510.80 = 261,610.19 : x - Step 2: Convert to fraction form
476,456.29/657,510.80 = 261,610.19/x - Step 3: Cross multiply
476,456.29x = 657,510.80 × 261,610.19 - Step 4: Simplify right side
476,456.29x = 172,011,528,534.22 - Step 5: Solve for x
x = 172,011,528,534.22/476,456.29 - Step 6: Final answer
x = 361,022.68
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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.