Finding the Fourth Proportional to 301,129.38, 415,557.95 and 173,804.94
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Solution
The fourth proportional to 301,129.38, 415,557.95 and 173,804.94 is: 239,850.47
Step by Step Solution
- Step 1: Write the proportion equation
301,129.38 : 415,557.95 = 173,804.94 : x - Step 2: Convert to fraction form
301,129.38/415,557.95 = 173,804.94/x - Step 3: Cross multiply
301,129.38x = 415,557.95 × 173,804.94 - Step 4: Simplify right side
301,129.38x = 72,226,023,697.25 - Step 5: Solve for x
x = 72,226,023,697.25/301,129.38 - Step 6: Final answer
x = 239,850.47
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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.