Finding the Fourth Proportional to 472,046.32, 651,664.68 and 319,888.36
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Solution
The fourth proportional to 472,046.32, 651,664.68 and 319,888.36 is: 441,609.09
Step by Step Solution
- Step 1: Write the proportion equation
472,046.32 : 651,664.68 = 319,888.36 : x - Step 2: Convert to fraction form
472,046.32/651,664.68 = 319,888.36/x - Step 3: Cross multiply
472,046.32x = 651,664.68 × 319,888.36 - Step 4: Simplify right side
472,046.32x = 208,459,945,755.13 - Step 5: Solve for x
x = 208,459,945,755.13/472,046.32 - Step 6: Final answer
x = 441,609.09
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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.