Finding the Fourth Proportional to 351,497.31, 485,063.75 and 190,348.62
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Solution
The fourth proportional to 351,497.31, 485,063.75 and 190,348.62 is: 262,679.72
Step by Step Solution
- Step 1: Write the proportion equation
351,497.31 : 485,063.75 = 190,348.62 : x - Step 2: Convert to fraction form
351,497.31/485,063.75 = 190,348.62/x - Step 3: Cross multiply
351,497.31x = 485,063.75 × 190,348.62 - Step 4: Simplify right side
351,497.31x = 92,331,215,900.40 - Step 5: Solve for x
x = 92,331,215,900.40/351,497.31 - Step 6: Final answer
x = 262,679.72
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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.