Finding the Fourth Proportional to 371,288.99, 512,365.08 and 201,519.47
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Solution
The fourth proportional to 371,288.99, 512,365.08 and 201,519.47 is: 278,089.42
Step by Step Solution
- Step 1: Write the proportion equation
371,288.99 : 512,365.08 = 201,519.47 : x - Step 2: Convert to fraction form
371,288.99/512,365.08 = 201,519.47/x - Step 3: Cross multiply
371,288.99x = 512,365.08 × 201,519.47 - Step 4: Simplify right side
371,288.99x = 103,251,536,806.28 - Step 5: Solve for x
x = 103,251,536,806.28/371,288.99 - Step 6: Final answer
x = 278,089.42
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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.