Finding the Fourth Proportional to 201,862.10, 302,793.15 and 190,975.70
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Solution
The fourth proportional to 201,862.10, 302,793.15 and 190,975.70 is: 286,463.55
Step by Step Solution
- Step 1: Write the proportion equation
201,862.10 : 302,793.15 = 190,975.70 : x - Step 2: Convert to fraction form
201,862.10/302,793.15 = 190,975.70/x - Step 3: Cross multiply
201,862.10x = 302,793.15 × 190,975.70 - Step 4: Simplify right side
201,862.10x = 57,826,133,776.46 - Step 5: Solve for x
x = 57,826,133,776.46/201,862.10 - Step 6: Final answer
x = 286,463.55
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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.