Finding the Fourth Proportional to 285,551.13, 394,060.98 and 156,469.08
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Solution
The fourth proportional to 285,551.13, 394,060.98 and 156,469.08 is: 215,927.56
Step by Step Solution
- Step 1: Write the proportion equation
285,551.13 : 394,060.98 = 156,469.08 : x - Step 2: Convert to fraction form
285,551.13/394,060.98 = 156,469.08/x - Step 3: Cross multiply
285,551.13x = 394,060.98 × 156,469.08 - Step 4: Simplify right side
285,551.13x = 61,658,358,222.15 - Step 5: Solve for x
x = 61,658,358,222.15/285,551.13 - Step 6: Final answer
x = 215,927.56
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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.