Finding the Fourth Proportional to 134,464.10, 201,696.15 and 84,697.70
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Solution
The fourth proportional to 134,464.10, 201,696.15 and 84,697.70 is: 127,046.55
Step by Step Solution
- Step 1: Write the proportion equation
134,464.10 : 201,696.15 = 84,697.70 : x - Step 2: Convert to fraction form
134,464.10/201,696.15 = 84,697.70/x - Step 3: Cross multiply
134,464.10x = 201,696.15 × 84,697.70 - Step 4: Simplify right side
134,464.10x = 17,083,200,003.86 - Step 5: Solve for x
x = 17,083,200,003.86/134,464.10 - Step 6: Final answer
x = 127,046.55
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1.5x scale
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.