Finding the Fourth Proportional to 134,862.80, 202,375.20 and 55,968.80
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Solution
The fourth proportional to 134,862.80, 202,375.20 and 55,968.80 is: 83,986.82
Step by Step Solution
- Step 1: Write the proportion equation
134,862.80 : 202,375.20 = 55,968.80 : x - Step 2: Convert to fraction form
134,862.80/202,375.20 = 55,968.80/x - Step 3: Cross multiply
134,862.80x = 202,375.20 × 55,968.80 - Step 4: Simplify right side
134,862.80x = 11,326,697,093.76 - Step 5: Solve for x
x = 11,326,697,093.76/134,862.80 - Step 6: Final answer
x = 83,986.82
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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.