Finding the Fourth Proportional to 319,387.24, 479,180.76 and 94,748.84
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Solution
The fourth proportional to 319,387.24, 479,180.76 and 94,748.84 is: 142,152.90
Step by Step Solution
- Step 1: Write the proportion equation
319,387.24 : 479,180.76 = 94,748.84 : x - Step 2: Convert to fraction form
319,387.24/479,180.76 = 94,748.84/x - Step 3: Cross multiply
319,387.24x = 479,180.76 × 94,748.84 - Step 4: Simplify right side
319,387.24x = 45,401,821,160.32 - Step 5: Solve for x
x = 45,401,821,160.32/319,387.24 - Step 6: Final answer
x = 142,152.90
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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.