Finding the Fourth Proportional to 674,197.70, 1,011,296.55 and 175,561.70
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Solution
The fourth proportional to 674,197.70, 1,011,296.55 and 175,561.70 is: 263,342.55
Step by Step Solution
- Step 1: Write the proportion equation
674,197.70 : 1,011,296.55 = 175,561.70 : x - Step 2: Convert to fraction form
674,197.70/1,011,296.55 = 175,561.70/x - Step 3: Cross multiply
674,197.70x = 1,011,296.55 × 175,561.70 - Step 4: Simplify right side
674,197.70x = 177,544,941,522.14 - Step 5: Solve for x
x = 177,544,941,522.14/674,197.70 - Step 6: Final answer
x = 263,342.55
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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.