Finding the Fourth Proportional to 445,920.62, 615,195.27 and 254,831.49
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Solution
The fourth proportional to 445,920.62, 615,195.27 and 254,831.49 is: 351,567.35
Step by Step Solution
- Step 1: Write the proportion equation
445,920.62 : 615,195.27 = 254,831.49 : x - Step 2: Convert to fraction form
445,920.62/615,195.27 = 254,831.49/x - Step 3: Cross multiply
445,920.62x = 615,195.27 × 254,831.49 - Step 4: Simplify right side
445,920.62x = 156,771,127,295.05 - Step 5: Solve for x
x = 156,771,127,295.05/445,920.62 - Step 6: Final answer
x = 351,567.35
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1.5x scale
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.