Finding the Fourth Proportional to 285,551.99, 394,061.62 and 170,835.49
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Solution
The fourth proportional to 285,551.99, 394,061.62 and 170,835.49 is: 235,752.89
Step by Step Solution
- Step 1: Write the proportion equation
285,551.99 : 394,061.62 = 170,835.49 : x - Step 2: Convert to fraction form
285,551.99/394,061.62 = 170,835.49/x - Step 3: Cross multiply
285,551.99x = 394,061.62 × 170,835.49 - Step 4: Simplify right side
285,551.99x = 67,319,707,972.59 - Step 5: Solve for x
x = 67,319,707,972.59/285,551.99 - Step 6: Final answer
x = 235,752.89
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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.