Finding the Fourth Proportional to 202,341.70, 303,512.55 and 69,226.30
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Solution
The fourth proportional to 202,341.70, 303,512.55 and 69,226.30 is: 103,839.45
Step by Step Solution
- Step 1: Write the proportion equation
202,341.70 : 303,512.55 = 69,226.30 : x - Step 2: Convert to fraction form
202,341.70/303,512.55 = 69,226.30/x - Step 3: Cross multiply
202,341.70x = 303,512.55 × 69,226.30 - Step 4: Simplify right side
202,341.70x = 21,011,050,840.07 - Step 5: Solve for x
x = 21,011,050,840.07/202,341.70 - Step 6: Final answer
x = 103,839.45
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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.