Finding the Fourth Proportional to 351,532.91, 485,115.26 and 190,387.95
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Solution
The fourth proportional to 351,532.91, 485,115.26 and 190,387.95 is: 262,735.29
Step by Step Solution
- Step 1: Write the proportion equation
351,532.91 : 485,115.26 = 190,387.95 : x - Step 2: Convert to fraction form
351,532.91/485,115.26 = 190,387.95/x - Step 3: Cross multiply
351,532.91x = 485,115.26 × 190,387.95 - Step 4: Simplify right side
351,532.91x = 92,360,098,913.18 - Step 5: Solve for x
x = 92,360,098,913.18/351,532.91 - Step 6: Final answer
x = 262,735.29
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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.