Finding the Fourth Proportional to 409,565.26, 565,202.67 and 228,288.68
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Solution
The fourth proportional to 409,565.26, 565,202.67 and 228,288.68 is: 315,039.84
Step by Step Solution
- Step 1: Write the proportion equation
409,565.26 : 565,202.67 = 228,288.68 : x - Step 2: Convert to fraction form
409,565.26/565,202.67 = 228,288.68/x - Step 3: Cross multiply
409,565.26x = 565,202.67 × 228,288.68 - Step 4: Simplify right side
409,565.26x = 129,029,370,624.49 - Step 5: Solve for x
x = 129,029,370,624.49/409,565.26 - Step 6: Final answer
x = 315,039.84
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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.