Finding the Fourth Proportional to 422,440.35, 633,661.67 and 122,928.13
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Solution
The fourth proportional to 422,440.35, 633,661.67 and 122,928.13 is: 184,392.53
Step by Step Solution
- Step 1: Write the proportion equation
422,440.35 : 633,661.67 = 122,928.13 : x - Step 2: Convert to fraction form
422,440.35/633,661.67 = 122,928.13/x - Step 3: Cross multiply
422,440.35x = 633,661.67 × 122,928.13 - Step 4: Simplify right side
422,440.35x = 77,894,844,145.78 - Step 5: Solve for x
x = 77,894,844,145.78/422,440.35 - Step 6: Final answer
x = 184,392.53
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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.