Finding the Fourth Proportional to 554,359.21, 831,538.20 and 133,635.08
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Solution
The fourth proportional to 554,359.21, 831,538.20 and 133,635.08 is: 200,452.47
Step by Step Solution
- Step 1: Write the proportion equation
554,359.21 : 831,538.20 = 133,635.08 : x - Step 2: Convert to fraction form
554,359.21/831,538.20 = 133,635.08/x - Step 3: Cross multiply
554,359.21x = 831,538.20 × 133,635.08 - Step 4: Simplify right side
554,359.21x = 111,122,673,880.06 - Step 5: Solve for x
x = 111,122,673,880.06/554,359.21 - Step 6: Final answer
x = 200,452.47
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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.