Finding the Fourth Proportional to 861,548.78, 1,292,224.88 and 230,511.26
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Solution
The fourth proportional to 861,548.78, 1,292,224.88 and 230,511.26 is: 345,740.59
Step by Step Solution
- Step 1: Write the proportion equation
861,548.78 : 1,292,224.88 = 230,511.26 : x - Step 2: Convert to fraction form
861,548.78/1,292,224.88 = 230,511.26/x - Step 3: Cross multiply
861,548.78x = 1,292,224.88 × 230,511.26 - Step 4: Simplify right side
861,548.78x = 297,872,385,292.15 - Step 5: Solve for x
x = 297,872,385,292.15/861,548.78 - Step 6: Final answer
x = 345,740.59
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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.