Finding the Fourth Proportional to 410,905.41, 616,358.11 and 111,385.99
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Solution
The fourth proportional to 410,905.41, 616,358.11 and 111,385.99 is: 167,078.98
Step by Step Solution
- Step 1: Write the proportion equation
410,905.41 : 616,358.11 = 111,385.99 : x - Step 2: Convert to fraction form
410,905.41/616,358.11 = 111,385.99/x - Step 3: Cross multiply
410,905.41x = 616,358.11 × 111,385.99 - Step 4: Simplify right side
410,905.41x = 68,653,655,510.70 - Step 5: Solve for x
x = 68,653,655,510.70/410,905.41 - Step 6: Final answer
x = 167,078.98
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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.