Finding the Fourth Proportional to 197,719.24, 296,379.14 and 77,860.30
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Solution
The fourth proportional to 197,719.24, 296,379.14 and 77,860.30 is: 116,711.80
Step by Step Solution
- Step 1: Write the proportion equation
197,719.24 : 296,379.14 = 77,860.30 : x - Step 2: Convert to fraction form
197,719.24/296,379.14 = 77,860.30/x - Step 3: Cross multiply
197,719.24x = 296,379.14 × 77,860.30 - Step 4: Simplify right side
197,719.24x = 23,076,168,754.14 - Step 5: Solve for x
x = 23,076,168,754.14/197,719.24 - Step 6: Final answer
x = 116,711.80
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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.