Finding the Fourth Proportional to 605,628.41, 908,583.21 and 206,272.62
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Solution
The fourth proportional to 605,628.41, 908,583.21 and 206,272.62 is: 309,456.82
Step by Step Solution
- Step 1: Write the proportion equation
605,628.41 : 908,583.21 = 206,272.62 : x - Step 2: Convert to fraction form
605,628.41/908,583.21 = 206,272.62/x - Step 3: Cross multiply
605,628.41x = 908,583.21 × 206,272.62 - Step 4: Simplify right side
605,628.41x = 187,415,839,214.71 - Step 5: Solve for x
x = 187,415,839,214.71/605,628.41 - Step 6: Final answer
x = 309,456.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.