Finding the Fourth Proportional to 318,550.26, 439,590.50 and 180,754.28
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Solution
The fourth proportional to 318,550.26, 439,590.50 and 180,754.28 is: 249,435.88
Step by Step Solution
- Step 1: Write the proportion equation
318,550.26 : 439,590.50 = 180,754.28 : x - Step 2: Convert to fraction form
318,550.26/439,590.50 = 180,754.28/x - Step 3: Cross multiply
318,550.26x = 439,590.50 × 180,754.28 - Step 4: Simplify right side
318,550.26x = 79,457,864,322.34 - Step 5: Solve for x
x = 79,457,864,322.34/318,550.26 - Step 6: Final answer
x = 249,435.88
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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.