Finding the Fourth Proportional to 659,430.09, 989,134.34 and 210,144.96
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Solution
The fourth proportional to 659,430.09, 989,134.34 and 210,144.96 is: 315,214.00
Step by Step Solution
- Step 1: Write the proportion equation
659,430.09 : 989,134.34 = 210,144.96 : x - Step 2: Convert to fraction form
659,430.09/989,134.34 = 210,144.96/x - Step 3: Cross multiply
659,430.09x = 989,134.34 × 210,144.96 - Step 4: Simplify right side
659,430.09x = 207,861,595,263.20 - Step 5: Solve for x
x = 207,861,595,263.20/659,430.09 - Step 6: Final answer
x = 315,214.00
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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.