Finding the Fourth Proportional to 405,786.24, 559,949.76 and 224,495.28
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Solution
The fourth proportional to 405,786.24, 559,949.76 and 224,495.28 is: 309,783.98
Step by Step Solution
- Step 1: Write the proportion equation
405,786.24 : 559,949.76 = 224,495.28 : x - Step 2: Convert to fraction form
405,786.24/559,949.76 = 224,495.28/x - Step 3: Cross multiply
405,786.24x = 559,949.76 × 224,495.28 - Step 4: Simplify right side
405,786.24x = 125,706,078,157.13 - Step 5: Solve for x
x = 125,706,078,157.13/405,786.24 - Step 6: Final answer
x = 309,783.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.