Finding the Fourth Proportional to 102,508.32, 141,437.34 and 62,221.08
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Solution
The fourth proportional to 102,508.32, 141,437.34 and 62,221.08 is: 85,850.44
Step by Step Solution
- Step 1: Write the proportion equation
102,508.32 : 141,437.34 = 62,221.08 : x - Step 2: Convert to fraction form
102,508.32/141,437.34 = 62,221.08/x - Step 3: Cross multiply
102,508.32x = 141,437.34 × 62,221.08 - Step 4: Simplify right side
102,508.32x = 8,800,384,047.13 - Step 5: Solve for x
x = 8,800,384,047.13/102,508.32 - Step 6: Final answer
x = 85,850.44
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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.