Finding the Fourth Proportional to 319,744.80, 479,617.20 and 224,359.20
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Solution
The fourth proportional to 319,744.80, 479,617.20 and 224,359.20 is: 336,538.80
Step by Step Solution
- Step 1: Write the proportion equation
319,744.80 : 479,617.20 = 224,359.20 : x - Step 2: Convert to fraction form
319,744.80/479,617.20 = 224,359.20/x - Step 3: Cross multiply
319,744.80x = 479,617.20 × 224,359.20 - Step 4: Simplify right side
319,744.80x = 107,606,531,298.24 - Step 5: Solve for x
x = 107,606,531,298.24/319,744.80 - Step 6: Final answer
x = 336,538.80
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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.