Finding the Fourth Proportional to 255,697.21, 383,545.50 and 68,708.71
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Solution
The fourth proportional to 255,697.21, 383,545.50 and 68,708.71 is: 103,062.98
Step by Step Solution
- Step 1: Write the proportion equation
255,697.21 : 383,545.50 = 68,708.71 : x - Step 2: Convert to fraction form
255,697.21/383,545.50 = 68,708.71/x - Step 3: Cross multiply
255,697.21x = 383,545.50 × 68,708.71 - Step 4: Simplify right side
255,697.21x = 26,352,916,531.31 - Step 5: Solve for x
x = 26,352,916,531.31/255,697.21 - Step 6: Final answer
x = 103,062.98
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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.