Finding the Fourth Proportional to 512,968.33, 769,465.56 and 243,033.20
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Solution
The fourth proportional to 512,968.33, 769,465.56 and 243,033.20 is: 364,555.99
Step by Step Solution
- Step 1: Write the proportion equation
512,968.33 : 769,465.56 = 243,033.20 : x - Step 2: Convert to fraction form
512,968.33/769,465.56 = 243,033.20/x - Step 3: Cross multiply
512,968.33x = 769,465.56 × 243,033.20 - Step 4: Simplify right side
512,968.33x = 187,005,677,336.59 - Step 5: Solve for x
x = 187,005,677,336.59/512,968.33 - Step 6: Final answer
x = 364,555.99
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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.