Finding the Fourth Proportional to 353,317.19, 487,563.71 and 192,172.01
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Solution
The fourth proportional to 353,317.19, 487,563.71 and 192,172.01 is: 265,189.75
Step by Step Solution
- Step 1: Write the proportion equation
353,317.19 : 487,563.71 = 192,172.01 : x - Step 2: Convert to fraction form
353,317.19/487,563.71 = 192,172.01/x - Step 3: Cross multiply
353,317.19x = 487,563.71 × 192,172.01 - Step 4: Simplify right side
353,317.19x = 93,696,094,755.08 - Step 5: Solve for x
x = 93,696,094,755.08/353,317.19 - Step 6: Final answer
x = 265,189.75
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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.