Finding the Fourth Proportional to 134,830.70, 202,246.05 and 41,324.30
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Solution
The fourth proportional to 134,830.70, 202,246.05 and 41,324.30 is: 61,986.45
Step by Step Solution
- Step 1: Write the proportion equation
134,830.70 : 202,246.05 = 41,324.30 : x - Step 2: Convert to fraction form
134,830.70/202,246.05 = 41,324.30/x - Step 3: Cross multiply
134,830.70x = 202,246.05 × 41,324.30 - Step 4: Simplify right side
134,830.70x = 8,357,676,444.02 - Step 5: Solve for x
x = 8,357,676,444.02/134,830.70 - Step 6: Final answer
x = 61,986.45
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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.