Finding the Fourth Proportional to 134,449.20, 201,673.80 and 84,682.80
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Solution
The fourth proportional to 134,449.20, 201,673.80 and 84,682.80 is: 127,024.20
Step by Step Solution
- Step 1: Write the proportion equation
134,449.20 : 201,673.80 = 84,682.80 : x - Step 2: Convert to fraction form
134,449.20/201,673.80 = 84,682.80/x - Step 3: Cross multiply
134,449.20x = 201,673.80 × 84,682.80 - Step 4: Simplify right side
134,449.20x = 17,078,302,070.64 - Step 5: Solve for x
x = 17,078,302,070.64/134,449.20 - Step 6: Final answer
x = 127,024.20
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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.