Finding the Fourth Proportional to 354,325.81, 488,951.08 and 201,343.54
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Solution
The fourth proportional to 354,325.81, 488,951.08 and 201,343.54 is: 277,843.55
Step by Step Solution
- Step 1: Write the proportion equation
354,325.81 : 488,951.08 = 201,343.54 : x - Step 2: Convert to fraction form
354,325.81/488,951.08 = 201,343.54/x - Step 3: Cross multiply
354,325.81x = 488,951.08 × 201,343.54 - Step 4: Simplify right side
354,325.81x = 98,447,141,334.02 - Step 5: Solve for x
x = 98,447,141,334.02/354,325.81 - Step 6: Final answer
x = 277,843.55
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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.