Finding the Fourth Proportional to 371,733.12, 512,990.64 and 201,965.76
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Solution
The fourth proportional to 371,733.12, 512,990.64 and 201,965.76 is: 278,712.17
Step by Step Solution
- Step 1: Write the proportion equation
371,733.12 : 512,990.64 = 201,965.76 : x - Step 2: Convert to fraction form
371,733.12/512,990.64 = 201,965.76/x - Step 3: Cross multiply
371,733.12x = 512,990.64 × 201,965.76 - Step 4: Simplify right side
371,733.12x = 103,606,544,480.49 - Step 5: Solve for x
x = 103,606,544,480.49/371,733.12 - Step 6: Final answer
x = 278,712.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.