Finding the Fourth Proportional to 409,624.36, 565,050.09 and 256,396.53
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Solution
The fourth proportional to 409,624.36, 565,050.09 and 256,396.53 is: 353,682.29
Step by Step Solution
- Step 1: Write the proportion equation
409,624.36 : 565,050.09 = 256,396.53 : x - Step 2: Convert to fraction form
409,624.36/565,050.09 = 256,396.53/x - Step 3: Cross multiply
409,624.36x = 565,050.09 × 256,396.53 - Step 4: Simplify right side
409,624.36x = 144,876,882,352.19 - Step 5: Solve for x
x = 144,876,882,352.19/409,624.36 - Step 6: Final answer
x = 353,682.29
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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.