Finding the Fourth Proportional to 371,690.10, 512,932.95 and 201,924.36
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Solution
The fourth proportional to 371,690.10, 512,932.95 and 201,924.36 is: 278,655.95
Step by Step Solution
- Step 1: Write the proportion equation
371,690.10 : 512,932.95 = 201,924.36 : x - Step 2: Convert to fraction form
371,690.10/512,932.95 = 201,924.36/x - Step 3: Cross multiply
371,690.10x = 512,932.95 × 201,924.36 - Step 4: Simplify right side
371,690.10x = 103,573,657,651.66 - Step 5: Solve for x
x = 103,573,657,651.66/371,690.10 - Step 6: Final answer
x = 278,655.95
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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.