Finding the Fourth Proportional to 197,491.52, 272,537.55 and 106,847.19
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Solution
The fourth proportional to 197,491.52, 272,537.55 and 106,847.19 is: 147,448.72
Step by Step Solution
- Step 1: Write the proportion equation
197,491.52 : 272,537.55 = 106,847.19 : x - Step 2: Convert to fraction form
197,491.52/272,537.55 = 106,847.19/x - Step 3: Cross multiply
197,491.52x = 272,537.55 × 106,847.19 - Step 4: Simplify right side
197,491.52x = 29,119,871,386.98 - Step 5: Solve for x
x = 29,119,871,386.98/197,491.52 - Step 6: Final answer
x = 147,448.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.