Finding the Fourth Proportional to 441,122.63, 661,621.33 and 141,564.38
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Solution
The fourth proportional to 441,122.63, 661,621.33 and 141,564.38 is: 212,326.48
Step by Step Solution
- Step 1: Write the proportion equation
441,122.63 : 661,621.33 = 141,564.38 : x - Step 2: Convert to fraction form
441,122.63/661,621.33 = 141,564.38/x - Step 3: Cross multiply
441,122.63x = 661,621.33 × 141,564.38 - Step 4: Simplify right side
441,122.63x = 93,662,013,376.23 - Step 5: Solve for x
x = 93,662,013,376.23/441,122.63 - Step 6: Final answer
x = 212,326.48
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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.