Finding the Fourth Proportional to 481,419.84, 722,264.75 and 193,433.70
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Solution
The fourth proportional to 481,419.84, 722,264.75 and 193,433.70 is: 290,204.79
Step by Step Solution
- Step 1: Write the proportion equation
481,419.84 : 722,264.75 = 193,433.70 : x - Step 2: Convert to fraction form
481,419.84/722,264.75 = 193,433.70/x - Step 3: Cross multiply
481,419.84x = 722,264.75 × 193,433.70 - Step 4: Simplify right side
481,419.84x = 139,710,342,972.08 - Step 5: Solve for x
x = 139,710,342,972.08/481,419.84 - Step 6: Final answer
x = 290,204.79
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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.