Finding the Fourth Proportional to 348,357.44, 521,649.84 and 229,668.68
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Solution
The fourth proportional to 348,357.44, 521,649.84 and 229,668.68 is: 343,918.68
Step by Step Solution
- Step 1: Write the proportion equation
348,357.44 : 521,649.84 = 229,668.68 : x - Step 2: Convert to fraction form
348,357.44/521,649.84 = 229,668.68/x - Step 3: Cross multiply
348,357.44x = 521,649.84 × 229,668.68 - Step 4: Simplify right side
348,357.44x = 119,806,630,175.01 - Step 5: Solve for x
x = 119,806,630,175.01/348,357.44 - Step 6: Final answer
x = 343,918.68
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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.