Finding the Fourth Proportional to 674,831.80, 1,012,247.70 and 176,195.80
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Solution
The fourth proportional to 674,831.80, 1,012,247.70 and 176,195.80 is: 264,293.70
Step by Step Solution
- Step 1: Write the proportion equation
674,831.80 : 1,012,247.70 = 176,195.80 : x - Step 2: Convert to fraction form
674,831.80/1,012,247.70 = 176,195.80/x - Step 3: Cross multiply
674,831.80x = 1,012,247.70 × 176,195.80 - Step 4: Simplify right side
674,831.80x = 178,353,793,299.66 - Step 5: Solve for x
x = 178,353,793,299.66/674,831.80 - Step 6: Final answer
x = 264,293.70
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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.