Finding the Fourth Proportional to 134,837.80, 202,256.70 and 55,943.80
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Solution
The fourth proportional to 134,837.80, 202,256.70 and 55,943.80 is: 83,915.70
Step by Step Solution
- Step 1: Write the proportion equation
134,837.80 : 202,256.70 = 55,943.80 : x - Step 2: Convert to fraction form
134,837.80/202,256.70 = 55,943.80/x - Step 3: Cross multiply
134,837.80x = 202,256.70 × 55,943.80 - Step 4: Simplify right side
134,837.80x = 11,315,008,373.46 - Step 5: Solve for x
x = 11,315,008,373.46/134,837.80 - Step 6: Final answer
x = 83,915.70
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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.