Finding the Fourth Proportional to 382,831.62, 574,203.69 and 102,370.74
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Solution
The fourth proportional to 382,831.62, 574,203.69 and 102,370.74 is: 153,544.41
Step by Step Solution
- Step 1: Write the proportion equation
382,831.62 : 574,203.69 = 102,370.74 : x - Step 2: Convert to fraction form
382,831.62/574,203.69 = 102,370.74/x - Step 3: Cross multiply
382,831.62x = 574,203.69 × 102,370.74 - Step 4: Simplify right side
382,831.62x = 58,781,656,656.03 - Step 5: Solve for x
x = 58,781,656,656.03/382,831.62 - Step 6: Final answer
x = 153,544.41
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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.