Finding the Fourth Proportional to 418,329.10, 577,297.74 and 227,342.44
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Solution
The fourth proportional to 418,329.10, 577,297.74 and 227,342.44 is: 313,734.51
Step by Step Solution
- Step 1: Write the proportion equation
418,329.10 : 577,297.74 = 227,342.44 : x - Step 2: Convert to fraction form
418,329.10/577,297.74 = 227,342.44/x - Step 3: Cross multiply
418,329.10x = 577,297.74 × 227,342.44 - Step 4: Simplify right side
418,329.10x = 131,244,276,818.09 - Step 5: Solve for x
x = 131,244,276,818.09/418,329.10 - Step 6: Final answer
x = 313,734.51
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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.