Finding the Fourth Proportional to 319,487.44, 440,894.11 and 176,247.44
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Solution
The fourth proportional to 319,487.44, 440,894.11 and 176,247.44 is: 243,222.27
Step by Step Solution
- Step 1: Write the proportion equation
319,487.44 : 440,894.11 = 176,247.44 : x - Step 2: Convert to fraction form
319,487.44/440,894.11 = 176,247.44/x - Step 3: Cross multiply
319,487.44x = 440,894.11 × 176,247.44 - Step 4: Simplify right side
319,487.44x = 77,706,460,513.03 - Step 5: Solve for x
x = 77,706,460,513.03/319,487.44 - Step 6: Final answer
x = 243,222.27
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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.