Finding the Fourth Proportional to 347,208.48, 520,812.72 and 110,623.68
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Solution
The fourth proportional to 347,208.48, 520,812.72 and 110,623.68 is: 165,935.52
Step by Step Solution
- Step 1: Write the proportion equation
347,208.48 : 520,812.72 = 110,623.68 : x - Step 2: Convert to fraction form
347,208.48/520,812.72 = 110,623.68/x - Step 3: Cross multiply
347,208.48x = 520,812.72 × 110,623.68 - Step 4: Simplify right side
347,208.48x = 57,614,219,677.21 - Step 5: Solve for x
x = 57,614,219,677.21/347,208.48 - Step 6: Final answer
x = 165,935.52
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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.