Finding the Fourth Proportional to 134,370.90, 201,556.35 and 128,247.30
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Solution
The fourth proportional to 134,370.90, 201,556.35 and 128,247.30 is: 192,370.95
Step by Step Solution
- Step 1: Write the proportion equation
134,370.90 : 201,556.35 = 128,247.30 : x - Step 2: Convert to fraction form
134,370.90/201,556.35 = 128,247.30/x - Step 3: Cross multiply
134,370.90x = 201,556.35 × 128,247.30 - Step 4: Simplify right side
134,370.90x = 25,849,057,685.36 - Step 5: Solve for x
x = 25,849,057,685.36/134,370.90 - Step 6: Final answer
x = 192,370.95
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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.