Finding the Fourth Proportional to 401,481.41, 554,041.75 and 229,451.99
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Solution
The fourth proportional to 401,481.41, 554,041.75 and 229,451.99 is: 316,642.26
Step by Step Solution
- Step 1: Write the proportion equation
401,481.41 : 554,041.75 = 229,451.99 : x - Step 2: Convert to fraction form
401,481.41/554,041.75 = 229,451.99/x - Step 3: Cross multiply
401,481.41x = 554,041.75 × 229,451.99 - Step 4: Simplify right side
401,481.41x = 127,125,983,752.50 - Step 5: Solve for x
x = 127,125,983,752.50/401,481.41 - Step 6: Final answer
x = 316,642.26
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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.