Finding the Fourth Proportional to 186,415.28, 257,253.48 and 101,532.08
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Solution
The fourth proportional to 186,415.28, 257,253.48 and 101,532.08 is: 140,114.48
Step by Step Solution
- Step 1: Write the proportion equation
186,415.28 : 257,253.48 = 101,532.08 : x - Step 2: Convert to fraction form
186,415.28/257,253.48 = 101,532.08/x - Step 3: Cross multiply
186,415.28x = 257,253.48 × 101,532.08 - Step 4: Simplify right side
186,415.28x = 26,119,480,911.64 - Step 5: Solve for x
x = 26,119,480,911.64/186,415.28 - Step 6: Final answer
x = 140,114.48
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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.