Finding the Fourth Proportional to 416,873.62, 575,063.69 and 253,580.05
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Solution
The fourth proportional to 416,873.62, 575,063.69 and 253,580.05 is: 349,805.48
Step by Step Solution
- Step 1: Write the proportion equation
416,873.62 : 575,063.69 = 253,580.05 : x - Step 2: Convert to fraction form
416,873.62/575,063.69 = 253,580.05/x - Step 3: Cross multiply
416,873.62x = 575,063.69 × 253,580.05 - Step 4: Simplify right side
416,873.62x = 145,824,678,714.31 - Step 5: Solve for x
x = 145,824,678,714.31/416,873.62 - Step 6: Final answer
x = 349,805.48
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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.