Finding the Fourth Proportional to 202,140.40, 302,967.60 and 83,750.80
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Solution
The fourth proportional to 202,140.40, 302,967.60 and 83,750.80 is: 125,525.52
Step by Step Solution
- Step 1: Write the proportion equation
202,140.40 : 302,967.60 = 83,750.80 : x - Step 2: Convert to fraction form
202,140.40/302,967.60 = 83,750.80/x - Step 3: Cross multiply
202,140.40x = 302,967.60 × 83,750.80 - Step 4: Simplify right side
202,140.40x = 25,373,778,874.08 - Step 5: Solve for x
x = 25,373,778,874.08/202,140.40 - Step 6: Final answer
x = 125,525.52
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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.