Finding the Fourth Proportional to 623,137.97, 859,991.10 and 368,571.17
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Solution
The fourth proportional to 623,137.97, 859,991.10 and 368,571.17 is: 508,664.12
Step by Step Solution
- Step 1: Write the proportion equation
623,137.97 : 859,991.10 = 368,571.17 : x - Step 2: Convert to fraction form
623,137.97/859,991.10 = 368,571.17/x - Step 3: Cross multiply
623,137.97x = 859,991.10 × 368,571.17 - Step 4: Simplify right side
623,137.97x = 316,967,925,916.59 - Step 5: Solve for x
x = 316,967,925,916.59/623,137.97 - Step 6: Final answer
x = 508,664.12
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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.