Finding the Fourth Proportional to 438,344.96, 604,897.92 and 277,287.68
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Solution
The fourth proportional to 438,344.96, 604,897.92 and 277,287.68 is: 382,645.53
Step by Step Solution
- Step 1: Write the proportion equation
438,344.96 : 604,897.92 = 277,287.68 : x - Step 2: Convert to fraction form
438,344.96/604,897.92 = 277,287.68/x - Step 3: Cross multiply
438,344.96x = 604,897.92 × 277,287.68 - Step 4: Simplify right side
438,344.96x = 167,730,740,873.63 - Step 5: Solve for x
x = 167,730,740,873.63/438,344.96 - Step 6: Final answer
x = 382,645.53
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1.5x scale
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.