Finding the Fourth Proportional to 106,392.96, 159,588.48 and 40,728.96
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Solution
The fourth proportional to 106,392.96, 159,588.48 and 40,728.96 is: 61,093.07
Step by Step Solution
- Step 1: Write the proportion equation
106,392.96 : 159,588.48 = 40,728.96 : x - Step 2: Convert to fraction form
106,392.96/159,588.48 = 40,728.96/x - Step 3: Cross multiply
106,392.96x = 159,588.48 × 40,728.96 - Step 4: Simplify right side
106,392.96x = 6,499,872,818.38 - Step 5: Solve for x
x = 6,499,872,818.38/106,392.96 - Step 6: Final answer
x = 61,093.07
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1.5x scale
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.