Finding the Fourth Proportional to 861,505.24, 1,292,257.56 and 230,402.66
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Solution
The fourth proportional to 861,505.24, 1,292,257.56 and 230,402.66 is: 345,603.91
Step by Step Solution
- Step 1: Write the proportion equation
861,505.24 : 1,292,257.56 = 230,402.66 : x - Step 2: Convert to fraction form
861,505.24/1,292,257.56 = 230,402.66/x - Step 3: Cross multiply
861,505.24x = 1,292,257.56 × 230,402.66 - Step 4: Simplify right side
861,505.24x = 297,739,579,229.11 - Step 5: Solve for x
x = 297,739,579,229.11/861,505.24 - Step 6: Final answer
x = 345,603.91
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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.