Finding the Fourth Proportional to 371,833.68, 513,133.73 and 202,067.80
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Solution
The fourth proportional to 371,833.68, 513,133.73 and 202,067.80 is: 278,855.33
Step by Step Solution
- Step 1: Write the proportion equation
371,833.68 : 513,133.73 = 202,067.80 : x - Step 2: Convert to fraction form
371,833.68/513,133.73 = 202,067.80/x - Step 3: Cross multiply
371,833.68x = 513,133.73 × 202,067.80 - Step 4: Simplify right side
371,833.68x = 103,687,803,926.89 - Step 5: Solve for x
x = 103,687,803,926.89/371,833.68 - Step 6: Final answer
x = 278,855.33
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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.