Finding the Fourth Proportional to 203,187.51, 304,809.84 and 84,831.93
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Solution
The fourth proportional to 203,187.51, 304,809.84 and 84,831.93 is: 127,259.83
Step by Step Solution
- Step 1: Write the proportion equation
203,187.51 : 304,809.84 = 84,831.93 : x - Step 2: Convert to fraction form
203,187.51/304,809.84 = 84,831.93/x - Step 3: Cross multiply
203,187.51x = 304,809.84 × 84,831.93 - Step 4: Simplify right side
203,187.51x = 25,857,607,010.19 - Step 5: Solve for x
x = 25,857,607,010.19/203,187.51 - Step 6: Final answer
x = 127,259.83
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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.