Finding the Fourth Proportional to 692,149.02, 1,038,217.41 and 218,834.70
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Solution
The fourth proportional to 692,149.02, 1,038,217.41 and 218,834.70 is: 328,250.12
Step by Step Solution
- Step 1: Write the proportion equation
692,149.02 : 1,038,217.41 = 218,834.70 : x - Step 2: Convert to fraction form
692,149.02/1,038,217.41 = 218,834.70/x - Step 3: Cross multiply
692,149.02x = 1,038,217.41 × 218,834.70 - Step 4: Simplify right side
692,149.02x = 227,197,995,452.13 - Step 5: Solve for x
x = 227,197,995,452.13/692,149.02 - Step 6: Final answer
x = 328,250.12
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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.