Finding the Fourth Proportional to 134,887.12, 202,330.54 and 40,116.92
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Solution
The fourth proportional to 134,887.12, 202,330.54 and 40,116.92 is: 60,175.34
Step by Step Solution
- Step 1: Write the proportion equation
134,887.12 : 202,330.54 = 40,116.92 : x - Step 2: Convert to fraction form
134,887.12/202,330.54 = 40,116.92/x - Step 3: Cross multiply
134,887.12x = 202,330.54 × 40,116.92 - Step 4: Simplify right side
134,887.12x = 8,116,878,086.74 - Step 5: Solve for x
x = 8,116,878,086.74/134,887.12 - Step 6: Final answer
x = 60,175.34
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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.