Finding the Fourth Proportional to 347,319.20, 520,201.20 and 207,351.20
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Solution
The fourth proportional to 347,319.20, 520,201.20 and 207,351.20 is: 310,562.57
Step by Step Solution
- Step 1: Write the proportion equation
347,319.20 : 520,201.20 = 207,351.20 : x - Step 2: Convert to fraction form
347,319.20/520,201.20 = 207,351.20/x - Step 3: Cross multiply
347,319.20x = 520,201.20 × 207,351.20 - Step 4: Simplify right side
347,319.20x = 107,864,343,061.44 - Step 5: Solve for x
x = 107,864,343,061.44/347,319.20 - Step 6: Final answer
x = 310,562.57
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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.