Finding the Fourth Proportional to 485,102.84, 669,442.30 and 270,243.44
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Solution
The fourth proportional to 485,102.84, 669,442.30 and 270,243.44 is: 372,936.16
Step by Step Solution
- Step 1: Write the proportion equation
485,102.84 : 669,442.30 = 270,243.44 : x - Step 2: Convert to fraction form
485,102.84/669,442.30 = 270,243.44/x - Step 3: Cross multiply
485,102.84x = 669,442.30 × 270,243.44 - Step 4: Simplify right side
485,102.84x = 180,912,390,033.51 - Step 5: Solve for x
x = 180,912,390,033.51/485,102.84 - Step 6: Final answer
x = 372,936.16
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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.