Finding the Fourth Proportional to 197,656.49, 272,762.69 and 107,011.62
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Solution
The fourth proportional to 197,656.49, 272,762.69 and 107,011.62 is: 147,674.27
Step by Step Solution
- Step 1: Write the proportion equation
197,656.49 : 272,762.69 = 107,011.62 : x - Step 2: Convert to fraction form
197,656.49/272,762.69 = 107,011.62/x - Step 3: Cross multiply
197,656.49x = 272,762.69 × 107,011.62 - Step 4: Simplify right side
197,656.49x = 29,188,776,797.40 - Step 5: Solve for x
x = 29,188,776,797.40/197,656.49 - Step 6: Final answer
x = 147,674.27
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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.