Finding the Fourth Proportional to 353,995.40, 488,511.72 and 192,850.05
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Solution
The fourth proportional to 353,995.40, 488,511.72 and 192,850.05 is: 266,132.02
Step by Step Solution
- Step 1: Write the proportion equation
353,995.40 : 488,511.72 = 192,850.05 : x - Step 2: Convert to fraction form
353,995.40/488,511.72 = 192,850.05/x - Step 3: Cross multiply
353,995.40x = 488,511.72 × 192,850.05 - Step 4: Simplify right side
353,995.40x = 94,209,509,627.59 - Step 5: Solve for x
x = 94,209,509,627.59/353,995.40 - Step 6: Final answer
x = 266,132.02
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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.