Finding the Fourth Proportional to 312,578.24, 468,860.80 and 75,922.08
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Solution
The fourth proportional to 312,578.24, 468,860.80 and 75,922.08 is: 113,881.53
Step by Step Solution
- Step 1: Write the proportion equation
312,578.24 : 468,860.80 = 75,922.08 : x - Step 2: Convert to fraction form
312,578.24/468,860.80 = 75,922.08/x - Step 3: Cross multiply
312,578.24x = 468,860.80 × 75,922.08 - Step 4: Simplify right side
312,578.24x = 35,596,887,166.46 - Step 5: Solve for x
x = 35,596,887,166.46/312,578.24 - Step 6: Final answer
x = 113,881.53
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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.