Finding the Fourth Proportional to 454,534.44, 627,244.74 and 284,862.12
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Solution
The fourth proportional to 454,534.44, 627,244.74 and 284,862.12 is: 393,101.71
Step by Step Solution
- Step 1: Write the proportion equation
454,534.44 : 627,244.74 = 284,862.12 : x - Step 2: Convert to fraction form
454,534.44/627,244.74 = 284,862.12/x - Step 3: Cross multiply
454,534.44x = 627,244.74 × 284,862.12 - Step 4: Simplify right side
454,534.44x = 178,678,266,395.25 - Step 5: Solve for x
x = 178,678,266,395.25/454,534.44 - Step 6: Final answer
x = 393,101.71
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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.