Finding the Fourth Proportional to 135,062.70, 202,470.21 and 51,894.06
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Solution
The fourth proportional to 135,062.70, 202,470.21 and 51,894.06 is: 77,793.51
Step by Step Solution
- Step 1: Write the proportion equation
135,062.70 : 202,470.21 = 51,894.06 : x - Step 2: Convert to fraction form
135,062.70/202,470.21 = 51,894.06/x - Step 3: Cross multiply
135,062.70x = 202,470.21 × 51,894.06 - Step 4: Simplify right side
135,062.70x = 10,507,001,225.95 - Step 5: Solve for x
x = 10,507,001,225.95/135,062.70 - Step 6: Final answer
x = 77,793.51
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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.