Finding the Fourth Proportional to 136,718.75, 205,125.30 and 56,799.65
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Solution
The fourth proportional to 136,718.75, 205,125.30 and 56,799.65 is: 85,219.07
Step by Step Solution
- Step 1: Write the proportion equation
136,718.75 : 205,125.30 = 56,799.65 : x - Step 2: Convert to fraction form
136,718.75/205,125.30 = 56,799.65/x - Step 3: Cross multiply
136,718.75x = 205,125.30 × 56,799.65 - Step 4: Simplify right side
136,718.75x = 11,651,044,220.52 - Step 5: Solve for x
x = 11,651,044,220.52/136,718.75 - Step 6: Final answer
x = 85,219.07
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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.