Finding the Fourth Proportional to 455,590.63, 628,711.32 and 248,859.19
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Solution
The fourth proportional to 455,590.63, 628,711.32 and 248,859.19 is: 343,423.63
Step by Step Solution
- Step 1: Write the proportion equation
455,590.63 : 628,711.32 = 248,859.19 : x - Step 2: Convert to fraction form
455,590.63/628,711.32 = 248,859.19/x - Step 3: Cross multiply
455,590.63x = 628,711.32 × 248,859.19 - Step 4: Simplify right side
455,590.63x = 156,460,589,839.03 - Step 5: Solve for x
x = 156,460,589,839.03/455,590.63 - Step 6: Final answer
x = 343,423.63
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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.