Finding the Fourth Proportional to 371,833.12, 513,127.74 and 202,067.92
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Solution
The fourth proportional to 371,833.12, 513,127.74 and 202,067.92 is: 278,852.66
Step by Step Solution
- Step 1: Write the proportion equation
371,833.12 : 513,127.74 = 202,067.92 : x - Step 2: Convert to fraction form
371,833.12/513,127.74 = 202,067.92/x - Step 3: Cross multiply
371,833.12x = 513,127.74 × 202,067.92 - Step 4: Simplify right side
371,833.12x = 103,686,655,116.10 - Step 5: Solve for x
x = 103,686,655,116.10/371,833.12 - Step 6: Final answer
x = 278,852.66
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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.