Finding the Fourth Proportional to 554,608.79, 831,913.19 and 180,631.79
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Solution
The fourth proportional to 554,608.79, 831,913.19 and 180,631.79 is: 270,947.68
Step by Step Solution
- Step 1: Write the proportion equation
554,608.79 : 831,913.19 = 180,631.79 : x - Step 2: Convert to fraction form
554,608.79/831,913.19 = 180,631.79/x - Step 3: Cross multiply
554,608.79x = 831,913.19 × 180,631.79 - Step 4: Simplify right side
554,608.79x = 150,269,963,571.59 - Step 5: Solve for x
x = 150,269,963,571.59/554,608.79 - Step 6: Final answer
x = 270,947.68
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1.5x scale
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.