Finding the Fourth Proportional to 413,551.87, 570,918.38 and 278,296.99
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Solution
The fourth proportional to 413,551.87, 570,918.38 and 278,296.99 is: 384,195.74
Step by Step Solution
- Step 1: Write the proportion equation
413,551.87 : 570,918.38 = 278,296.99 : x - Step 2: Convert to fraction form
413,551.87/570,918.38 = 278,296.99/x - Step 3: Cross multiply
413,551.87x = 570,918.38 × 278,296.99 - Step 4: Simplify right side
413,551.87x = 158,884,866,689.68 - Step 5: Solve for x
x = 158,884,866,689.68/413,551.87 - Step 6: Final answer
x = 384,195.74
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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.