Finding the Fourth Proportional to 394,948.80, 592,509.60 and 195,364.80
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Solution
The fourth proportional to 394,948.80, 592,509.60 and 195,364.80 is: 293,089.94
Step by Step Solution
- Step 1: Write the proportion equation
394,948.80 : 592,509.60 = 195,364.80 : x - Step 2: Convert to fraction form
394,948.80/592,509.60 = 195,364.80/x - Step 3: Cross multiply
394,948.80x = 592,509.60 × 195,364.80 - Step 4: Simplify right side
394,948.80x = 115,755,519,502.08 - Step 5: Solve for x
x = 115,755,519,502.08/394,948.80 - Step 6: Final answer
x = 293,089.94
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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.