Finding the Fourth Proportional to 548,932.17, 822,766.44 and 211,823.74
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Solution
The fourth proportional to 548,932.17, 822,766.44 and 211,823.74 is: 317,491.80
Step by Step Solution
- Step 1: Write the proportion equation
548,932.17 : 822,766.44 = 211,823.74 : x - Step 2: Convert to fraction form
548,932.17/822,766.44 = 211,823.74/x - Step 3: Cross multiply
548,932.17x = 822,766.44 × 211,823.74 - Step 4: Simplify right side
548,932.17x = 174,281,466,290.08 - Step 5: Solve for x
x = 174,281,466,290.08/548,932.17 - Step 6: Final answer
x = 317,491.80
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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.