Finding the Fourth Proportional to 145,866.03, 201,292.34 and 82,202.55
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Solution
The fourth proportional to 145,866.03, 201,292.34 and 82,202.55 is: 113,437.95
Step by Step Solution
- Step 1: Write the proportion equation
145,866.03 : 201,292.34 = 82,202.55 : x - Step 2: Convert to fraction form
145,866.03/201,292.34 = 82,202.55/x - Step 3: Cross multiply
145,866.03x = 201,292.34 × 82,202.55 - Step 4: Simplify right side
145,866.03x = 16,546,743,232.45 - Step 5: Solve for x
x = 16,546,743,232.45/145,866.03 - Step 6: Final answer
x = 113,437.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.