Finding the Fourth Proportional to 461,314.05, 691,971.08 and 283,243.65
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Solution
The fourth proportional to 461,314.05, 691,971.08 and 283,243.65 is: 424,865.48
Step by Step Solution
- Step 1: Write the proportion equation
461,314.05 : 691,971.08 = 283,243.65 : x - Step 2: Convert to fraction form
461,314.05/691,971.08 = 283,243.65/x - Step 3: Cross multiply
461,314.05x = 691,971.08 × 283,243.65 - Step 4: Simplify right side
461,314.05x = 195,996,412,977.42 - Step 5: Solve for x
x = 195,996,412,977.42/461,314.05 - Step 6: Final answer
x = 424,865.48
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Similar ratio
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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.