Finding the Fourth Proportional to 414,821.58, 622,426.08 and 215,032.99
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Solution
The fourth proportional to 414,821.58, 622,426.08 and 215,032.99 is: 322,649.90
Step by Step Solution
- Step 1: Write the proportion equation
414,821.58 : 622,426.08 = 215,032.99 : x - Step 2: Convert to fraction form
414,821.58/622,426.08 = 215,032.99/x - Step 3: Cross multiply
414,821.58x = 622,426.08 × 215,032.99 - Step 4: Simplify right side
414,821.58x = 133,842,141,036.38 - Step 5: Solve for x
x = 133,842,141,036.38/414,821.58 - Step 6: Final answer
x = 322,649.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.