Finding the Fourth Proportional to 413,707.62, 570,924.26 and 229,963.44
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Solution
The fourth proportional to 413,707.62, 570,924.26 and 229,963.44 is: 317,353.85
Step by Step Solution
- Step 1: Write the proportion equation
413,707.62 : 570,924.26 = 229,963.44 : x - Step 2: Convert to fraction form
413,707.62/570,924.26 = 229,963.44/x - Step 3: Cross multiply
413,707.62x = 570,924.26 × 229,963.44 - Step 4: Simplify right side
413,707.62x = 131,291,706,809.05 - Step 5: Solve for x
x = 131,291,706,809.05/413,707.62 - Step 6: Final answer
x = 317,353.85
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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.