Finding the Fourth Proportional to 201,457.92, 278,006.10 and 110,813.88
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Solution
The fourth proportional to 201,457.92, 278,006.10 and 110,813.88 is: 152,919.95
Step by Step Solution
- Step 1: Write the proportion equation
201,457.92 : 278,006.10 = 110,813.88 : x - Step 2: Convert to fraction form
201,457.92/278,006.10 = 110,813.88/x - Step 3: Cross multiply
201,457.92x = 278,006.10 × 110,813.88 - Step 4: Simplify right side
201,457.92x = 30,806,934,604.67 - Step 5: Solve for x
x = 30,806,934,604.67/201,457.92 - Step 6: Final answer
x = 152,919.95
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1.5x scale
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.