Finding the Fourth Proportional to 394,436.60, 544,681.01 and 297,474.36
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Solution
The fourth proportional to 394,436.60, 544,681.01 and 297,474.36 is: 410,784.99
Step by Step Solution
- Step 1: Write the proportion equation
394,436.60 : 544,681.01 = 297,474.36 : x - Step 2: Convert to fraction form
394,436.60/544,681.01 = 297,474.36/x - Step 3: Cross multiply
394,436.60x = 544,681.01 × 297,474.36 - Step 4: Simplify right side
394,436.60x = 162,028,634,853.90 - Step 5: Solve for x
x = 162,028,634,853.90/394,436.60 - Step 6: Final answer
x = 410,784.99
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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.