Finding the Fourth Proportional to 504,142.74, 695,708.81 and 274,703.09
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Solution
The fourth proportional to 504,142.74, 695,708.81 and 274,703.09 is: 379,085.80
Step by Step Solution
- Step 1: Write the proportion equation
504,142.74 : 695,708.81 = 274,703.09 : x - Step 2: Convert to fraction form
504,142.74/695,708.81 = 274,703.09/x - Step 3: Cross multiply
504,142.74x = 695,708.81 × 274,703.09 - Step 4: Simplify right side
504,142.74x = 191,113,354,995.16 - Step 5: Solve for x
x = 191,113,354,995.16/504,142.74 - Step 6: Final answer
x = 379,085.80
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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.