Finding the Fourth Proportional to 346,021.77, 477,510.42 and 202,781.95
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Solution
The fourth proportional to 346,021.77, 477,510.42 and 202,781.95 is: 279,839.31
Step by Step Solution
- Step 1: Write the proportion equation
346,021.77 : 477,510.42 = 202,781.95 : x - Step 2: Convert to fraction form
346,021.77/477,510.42 = 202,781.95/x - Step 3: Cross multiply
346,021.77x = 477,510.42 × 202,781.95 - Step 4: Simplify right side
346,021.77x = 96,830,494,112.92 - Step 5: Solve for x
x = 96,830,494,112.92/346,021.77 - Step 6: Final answer
x = 279,839.31
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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.