Finding the Fourth Proportional to 554,409.52, 831,606.99 and 133,681.75
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Solution
The fourth proportional to 554,409.52, 831,606.99 and 133,681.75 is: 200,520.87
Step by Step Solution
- Step 1: Write the proportion equation
554,409.52 : 831,606.99 = 133,681.75 : x - Step 2: Convert to fraction form
554,409.52/831,606.99 = 133,681.75/x - Step 3: Cross multiply
554,409.52x = 831,606.99 × 133,681.75 - Step 4: Simplify right side
554,409.52x = 111,170,677,735.43 - Step 5: Solve for x
x = 111,170,677,735.43/554,409.52 - Step 6: Final answer
x = 200,520.87
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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.