Finding the Fourth Proportional to 371,831.58, 513,133.11 and 202,065.84
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Solution
The fourth proportional to 371,831.58, 513,133.11 and 202,065.84 is: 278,853.86
Step by Step Solution
- Step 1: Write the proportion equation
371,831.58 : 513,133.11 = 202,065.84 : x - Step 2: Convert to fraction form
371,831.58/513,133.11 = 202,065.84/x - Step 3: Cross multiply
371,831.58x = 513,133.11 × 202,065.84 - Step 4: Simplify right side
371,831.58x = 103,686,672,903.96 - Step 5: Solve for x
x = 103,686,672,903.96/371,831.58 - Step 6: Final answer
x = 278,853.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.