Finding the Fourth Proportional to 748,796.59, 1,123,195.70 and 187,831.09
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Solution
The fourth proportional to 748,796.59, 1,123,195.70 and 187,831.09 is: 281,746.84
Step by Step Solution
- Step 1: Write the proportion equation
748,796.59 : 1,123,195.70 = 187,831.09 : x - Step 2: Convert to fraction form
748,796.59/1,123,195.70 = 187,831.09/x - Step 3: Cross multiply
748,796.59x = 1,123,195.70 × 187,831.09 - Step 4: Simplify right side
748,796.59x = 210,971,072,614.31 - Step 5: Solve for x
x = 210,971,072,614.31/748,796.59 - Step 6: Final answer
x = 281,746.84
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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.