Finding the Fourth Proportional to 510,346.13, 765,629.82 and 155,350.88
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Solution
The fourth proportional to 510,346.13, 765,629.82 and 155,350.88 is: 233,059.99
Step by Step Solution
- Step 1: Write the proportion equation
510,346.13 : 765,629.82 = 155,350.88 : x - Step 2: Convert to fraction form
510,346.13/765,629.82 = 155,350.88/x - Step 3: Cross multiply
510,346.13x = 765,629.82 × 155,350.88 - Step 4: Simplify right side
510,346.13x = 118,941,262,463.09 - Step 5: Solve for x
x = 118,941,262,463.09/510,346.13 - Step 6: Final answer
x = 233,059.99
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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.