Finding the Fourth Proportional to 201,675.30, 302,512.95 and 127,025.70
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Solution
The fourth proportional to 201,675.30, 302,512.95 and 127,025.70 is: 190,538.55
Step by Step Solution
- Step 1: Write the proportion equation
201,675.30 : 302,512.95 = 127,025.70 : x - Step 2: Convert to fraction form
201,675.30/302,512.95 = 127,025.70/x - Step 3: Cross multiply
201,675.30x = 302,512.95 × 127,025.70 - Step 4: Simplify right side
201,675.30x = 38,426,919,232.82 - Step 5: Solve for x
x = 38,426,919,232.82/201,675.30 - Step 6: Final answer
x = 190,538.55
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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.