Finding the Fourth Proportional to 415,989.09, 574,032.29 and 234,745.11
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Solution
The fourth proportional to 415,989.09, 574,032.29 and 234,745.11 is: 323,929.82
Step by Step Solution
- Step 1: Write the proportion equation
415,989.09 : 574,032.29 = 234,745.11 : x - Step 2: Convert to fraction form
415,989.09/574,032.29 = 234,745.11/x - Step 3: Cross multiply
415,989.09x = 574,032.29 × 234,745.11 - Step 4: Simplify right side
415,989.09x = 134,751,271,885.88 - Step 5: Solve for x
x = 134,751,271,885.88/415,989.09 - Step 6: Final answer
x = 323,929.82
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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.