Finding the Fourth Proportional to 413,703.62, 570,918.74 and 229,959.44
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Solution
The fourth proportional to 413,703.62, 570,918.74 and 229,959.44 is: 317,348.33
Step by Step Solution
- Step 1: Write the proportion equation
413,703.62 : 570,918.74 = 229,959.44 : x - Step 2: Convert to fraction form
413,703.62/570,918.74 = 229,959.44/x - Step 3: Cross multiply
413,703.62x = 570,918.74 × 229,959.44 - Step 4: Simplify right side
413,703.62x = 131,288,153,735.91 - Step 5: Solve for x
x = 131,288,153,735.91/413,703.62 - Step 6: Final answer
x = 317,348.33
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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.