Finding the Fourth Proportional to 145,489.96, 201,136.98 and 144,161.56
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Solution
The fourth proportional to 145,489.96, 201,136.98 and 144,161.56 is: 199,300.49
Step by Step Solution
- Step 1: Write the proportion equation
145,489.96 : 201,136.98 = 144,161.56 : x - Step 2: Convert to fraction form
145,489.96/201,136.98 = 144,161.56/x - Step 3: Cross multiply
145,489.96x = 201,136.98 × 144,161.56 - Step 4: Simplify right side
145,489.96x = 28,996,220,810.49 - Step 5: Solve for x
x = 28,996,220,810.49/145,489.96 - Step 6: Final answer
x = 199,300.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.