Finding the Fourth Proportional to 413,719.24, 620,566.50 and 114,218.09
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Solution
The fourth proportional to 413,719.24, 620,566.50 and 114,218.09 is: 171,323.72
Step by Step Solution
- Step 1: Write the proportion equation
413,719.24 : 620,566.50 = 114,218.09 : x - Step 2: Convert to fraction form
413,719.24/620,566.50 = 114,218.09/x - Step 3: Cross multiply
413,719.24x = 620,566.50 × 114,218.09 - Step 4: Simplify right side
413,719.24x = 70,879,920,347.99 - Step 5: Solve for x
x = 70,879,920,347.99/413,719.24 - Step 6: Final answer
x = 171,323.72
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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.