Finding the Fourth Proportional to 76,803.91, 115,194.93 and 24,206.56
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Solution
The fourth proportional to 76,803.91, 115,194.93 and 24,206.56 is: 36,306.39
Step by Step Solution
- Step 1: Write the proportion equation
76,803.91 : 115,194.93 = 24,206.56 : x - Step 2: Convert to fraction form
76,803.91/115,194.93 = 24,206.56/x - Step 3: Cross multiply
76,803.91x = 115,194.93 × 24,206.56 - Step 4: Simplify right side
76,803.91x = 2,788,472,984.74 - Step 5: Solve for x
x = 2,788,472,984.74/76,803.91 - Step 6: Final answer
x = 36,306.39
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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.