Finding the Fourth Proportional to 436,772.92, 655,163.02 and 137,246.88
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Solution
The fourth proportional to 436,772.92, 655,163.02 and 137,246.88 is: 205,871.46
Step by Step Solution
- Step 1: Write the proportion equation
436,772.92 : 655,163.02 = 137,246.88 : x - Step 2: Convert to fraction form
436,772.92/655,163.02 = 137,246.88/x - Step 3: Cross multiply
436,772.92x = 655,163.02 × 137,246.88 - Step 4: Simplify right side
436,772.92x = 89,919,080,386.38 - Step 5: Solve for x
x = 89,919,080,386.38/436,772.92 - Step 6: Final answer
x = 205,871.46
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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.