Finding the Fourth Proportional to 445,753.41, 614,990.12 and 254,631.48
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Solution
The fourth proportional to 445,753.41, 614,990.12 and 254,631.48 is: 351,305.99
Step by Step Solution
- Step 1: Write the proportion equation
445,753.41 : 614,990.12 = 254,631.48 : x - Step 2: Convert to fraction form
445,753.41/614,990.12 = 254,631.48/x - Step 3: Cross multiply
445,753.41x = 614,990.12 × 254,631.48 - Step 4: Simplify right side
445,753.41x = 156,595,843,167.82 - Step 5: Solve for x
x = 156,595,843,167.82/445,753.41 - Step 6: Final answer
x = 351,305.99
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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.