Finding the Fourth Proportional to 351,754.40, 528,337.67 and 209,876.54
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Solution
The fourth proportional to 351,754.40, 528,337.67 and 209,876.54 is: 315,236.08
Step by Step Solution
- Step 1: Write the proportion equation
351,754.40 : 528,337.67 = 209,876.54 : x - Step 2: Convert to fraction form
351,754.40/528,337.67 = 209,876.54/x - Step 3: Cross multiply
351,754.40x = 528,337.67 × 209,876.54 - Step 4: Simplify right side
351,754.40x = 110,885,678,440.19 - Step 5: Solve for x
x = 110,885,678,440.19/351,754.40 - Step 6: Final answer
x = 315,236.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.