Finding the Fourth Proportional to 456,403.24, 629,858.58 and 252,453.28
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Solution
The fourth proportional to 456,403.24, 629,858.58 and 252,453.28 is: 348,397.76
Step by Step Solution
- Step 1: Write the proportion equation
456,403.24 : 629,858.58 = 252,453.28 : x - Step 2: Convert to fraction form
456,403.24/629,858.58 = 252,453.28/x - Step 3: Cross multiply
456,403.24x = 629,858.58 × 252,453.28 - Step 4: Simplify right side
456,403.24x = 159,009,864,457.14 - Step 5: Solve for x
x = 159,009,864,457.14/456,403.24 - Step 6: Final answer
x = 348,397.76
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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.