Finding the Fourth Proportional to 511,108.36, 705,312.99 and 293,352.87
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Solution
The fourth proportional to 511,108.36, 705,312.99 and 293,352.87 is: 404,817.47
Step by Step Solution
- Step 1: Write the proportion equation
511,108.36 : 705,312.99 = 293,352.87 : x - Step 2: Convert to fraction form
511,108.36/705,312.99 = 293,352.87/x - Step 3: Cross multiply
511,108.36x = 705,312.99 × 293,352.87 - Step 4: Simplify right side
511,108.36x = 206,905,589,864.78 - Step 5: Solve for x
x = 206,905,589,864.78/511,108.36 - Step 6: Final answer
x = 404,817.47
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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.