Finding the Fourth Proportional to 414,531.91, 621,797.87 and 115,012.54
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Solution
The fourth proportional to 414,531.91, 621,797.87 and 115,012.54 is: 172,518.81
Step by Step Solution
- Step 1: Write the proportion equation
414,531.91 : 621,797.87 = 115,012.54 : x - Step 2: Convert to fraction form
414,531.91/621,797.87 = 115,012.54/x - Step 3: Cross multiply
414,531.91x = 621,797.87 × 115,012.54 - Step 4: Simplify right side
414,531.91x = 71,514,552,395.29 - Step 5: Solve for x
x = 71,514,552,395.29/414,531.91 - Step 6: Final answer
x = 172,518.81
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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.