Finding the Fourth Proportional to 134,805.10, 202,207.65 and 103,701.10
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Solution
The fourth proportional to 134,805.10, 202,207.65 and 103,701.10 is: 155,551.65
Step by Step Solution
- Step 1: Write the proportion equation
134,805.10 : 202,207.65 = 103,701.10 : x - Step 2: Convert to fraction form
134,805.10/202,207.65 = 103,701.10/x - Step 3: Cross multiply
134,805.10x = 202,207.65 × 103,701.10 - Step 4: Simplify right side
134,805.10x = 20,969,155,733.42 - Step 5: Solve for x
x = 20,969,155,733.42/134,805.10 - Step 6: Final answer
x = 155,551.65
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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.