Finding the Fourth Proportional to 197,553.18, 272,623.38 and 106,909.14
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Solution
The fourth proportional to 197,553.18, 272,623.38 and 106,909.14 is: 147,534.61
Step by Step Solution
- Step 1: Write the proportion equation
197,553.18 : 272,623.38 = 106,909.14 : x - Step 2: Convert to fraction form
197,553.18/272,623.38 = 106,909.14/x - Step 3: Cross multiply
197,553.18x = 272,623.38 × 106,909.14 - Step 4: Simplify right side
197,553.18x = 29,145,931,099.69 - Step 5: Solve for x
x = 29,145,931,099.69/197,553.18 - Step 6: Final answer
x = 147,534.61
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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.