Finding the Fourth Proportional to 319,805.02, 478,942.76 and 184,458.79
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Solution
The fourth proportional to 319,805.02, 478,942.76 and 184,458.79 is: 276,247.08
Step by Step Solution
- Step 1: Write the proportion equation
319,805.02 : 478,942.76 = 184,458.79 : x - Step 2: Convert to fraction form
319,805.02/478,942.76 = 184,458.79/x - Step 3: Cross multiply
319,805.02x = 478,942.76 × 184,458.79 - Step 4: Simplify right side
319,805.02x = 88,345,203,358.13 - Step 5: Solve for x
x = 88,345,203,358.13/319,805.02 - Step 6: Final answer
x = 276,247.08
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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.