Finding the Fourth Proportional to 351,654.88, 485,283.93 and 190,511.05
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Solution
The fourth proportional to 351,654.88, 485,283.93 and 190,511.05 is: 262,905.35
Step by Step Solution
- Step 1: Write the proportion equation
351,654.88 : 485,283.93 = 190,511.05 : x - Step 2: Convert to fraction form
351,654.88/485,283.93 = 190,511.05/x - Step 3: Cross multiply
351,654.88x = 485,283.93 × 190,511.05 - Step 4: Simplify right side
351,654.88x = 92,451,948,626.01 - Step 5: Solve for x
x = 92,451,948,626.01/351,654.88 - Step 6: Final answer
x = 262,905.35
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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.