Finding the Fourth Proportional to 638,616.47, 957,646.70 and 183,107.19
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Solution
The fourth proportional to 638,616.47, 957,646.70 and 183,107.19 is: 274,581.08
Step by Step Solution
- Step 1: Write the proportion equation
638,616.47 : 957,646.70 = 183,107.19 : x - Step 2: Convert to fraction form
638,616.47/957,646.70 = 183,107.19/x - Step 3: Cross multiply
638,616.47x = 957,646.70 × 183,107.19 - Step 4: Simplify right side
638,616.47x = 175,351,999,612.06 - Step 5: Solve for x
x = 175,351,999,612.06/638,616.47 - Step 6: Final answer
x = 274,581.08
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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.