Finding the Fourth Proportional to 438,767.75, 658,151.63 and 106,343.75
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Solution
The fourth proportional to 438,767.75, 658,151.63 and 106,343.75 is: 159,515.63
Step by Step Solution
- Step 1: Write the proportion equation
438,767.75 : 658,151.63 = 106,343.75 : x - Step 2: Convert to fraction form
438,767.75/658,151.63 = 106,343.75/x - Step 3: Cross multiply
438,767.75x = 658,151.63 × 106,343.75 - Step 4: Simplify right side
438,767.75x = 69,990,312,402.81 - Step 5: Solve for x
x = 69,990,312,402.81/438,767.75 - Step 6: Final answer
x = 159,515.63
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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.