Finding the Fourth Proportional to 481,417.84, 722,261.75 and 193,431.70
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Solution
The fourth proportional to 481,417.84, 722,261.75 and 193,431.70 is: 290,201.79
Step by Step Solution
- Step 1: Write the proportion equation
481,417.84 : 722,261.75 = 193,431.70 : x - Step 2: Convert to fraction form
481,417.84/722,261.75 = 193,431.70/x - Step 3: Cross multiply
481,417.84x = 722,261.75 × 193,431.70 - Step 4: Simplify right side
481,417.84x = 139,708,318,083.14 - Step 5: Solve for x
x = 139,708,318,083.14/481,417.84 - Step 6: Final answer
x = 290,201.79
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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.