Finding the Fourth Proportional to 215,830.36, 323,775.11 and 73,637.49
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Solution
The fourth proportional to 215,830.36, 323,775.11 and 73,637.49 is: 110,466.32
Step by Step Solution
- Step 1: Write the proportion equation
215,830.36 : 323,775.11 = 73,637.49 : x - Step 2: Convert to fraction form
215,830.36/323,775.11 = 73,637.49/x - Step 3: Cross multiply
215,830.36x = 323,775.11 × 73,637.49 - Step 4: Simplify right side
215,830.36x = 23,841,986,424.87 - Step 5: Solve for x
x = 23,841,986,424.87/215,830.36 - Step 6: Final answer
x = 110,466.32
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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.