Finding the Fourth Proportional to 197,549.24, 272,617.95 and 106,905.21
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Solution
The fourth proportional to 197,549.24, 272,617.95 and 106,905.21 is: 147,529.19
Step by Step Solution
- Step 1: Write the proportion equation
197,549.24 : 272,617.95 = 106,905.21 : x - Step 2: Convert to fraction form
197,549.24/272,617.95 = 106,905.21/x - Step 3: Cross multiply
197,549.24x = 272,617.95 × 106,905.21 - Step 4: Simplify right side
197,549.24x = 29,144,279,194.52 - Step 5: Solve for x
x = 29,144,279,194.52/197,549.24 - Step 6: Final answer
x = 147,529.19
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1.5x scale
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.