Finding the Fourth Proportional to 453,262.88, 625,716.68 and 287,773.96
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Solution
The fourth proportional to 453,262.88, 625,716.68 and 287,773.96 is: 397,263.87
Step by Step Solution
- Step 1: Write the proportion equation
453,262.88 : 625,716.68 = 287,773.96 : x - Step 2: Convert to fraction form
453,262.88/625,716.68 = 287,773.96/x - Step 3: Cross multiply
453,262.88x = 625,716.68 × 287,773.96 - Step 4: Simplify right side
453,262.88x = 180,064,966,841.65 - Step 5: Solve for x
x = 180,064,966,841.65/453,262.88 - Step 6: Final answer
x = 397,263.87
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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.