Finding the Fourth Proportional to 347,202.29, 520,523.18 and 319,177.09
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Solution
The fourth proportional to 347,202.29, 520,523.18 and 319,177.09 is: 478,508.00
Step by Step Solution
- Step 1: Write the proportion equation
347,202.29 : 520,523.18 = 319,177.09 : x - Step 2: Convert to fraction form
347,202.29/520,523.18 = 319,177.09/x - Step 3: Cross multiply
347,202.29x = 520,523.18 × 319,177.09 - Step 4: Simplify right side
347,202.29x = 166,139,074,121.63 - Step 5: Solve for x
x = 166,139,074,121.63/347,202.29 - Step 6: Final answer
x = 478,508.00
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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.