Finding the Fourth Proportional to 424,831.10, 637,246.65 and 235,874.30
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Solution
The fourth proportional to 424,831.10, 637,246.65 and 235,874.30 is: 353,811.45
Step by Step Solution
- Step 1: Write the proportion equation
424,831.10 : 637,246.65 = 235,874.30 : x - Step 2: Convert to fraction form
424,831.10/637,246.65 = 235,874.30/x - Step 3: Cross multiply
424,831.10x = 637,246.65 × 235,874.30 - Step 4: Simplify right side
424,831.10x = 150,310,107,496.10 - Step 5: Solve for x
x = 150,310,107,496.10/424,831.10 - Step 6: Final answer
x = 353,811.45
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Similar ratio
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1.5x scale
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.