Finding the Fourth Proportional to 335,222.10, 502,831.86 and 135,540.09
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Solution
The fourth proportional to 335,222.10, 502,831.86 and 135,540.09 is: 203,309.61
Step by Step Solution
- Step 1: Write the proportion equation
335,222.10 : 502,831.86 = 135,540.09 : x - Step 2: Convert to fraction form
335,222.10/502,831.86 = 135,540.09/x - Step 3: Cross multiply
335,222.10x = 502,831.86 × 135,540.09 - Step 4: Simplify right side
335,222.10x = 68,153,875,559.27 - Step 5: Solve for x
x = 68,153,875,559.27/335,222.10 - Step 6: Final answer
x = 203,309.61
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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.