Finding the Fourth Proportional to 134,560.60, 201,840.90 and 103,067.80
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Solution
The fourth proportional to 134,560.60, 201,840.90 and 103,067.80 is: 154,601.70
Step by Step Solution
- Step 1: Write the proportion equation
134,560.60 : 201,840.90 = 103,067.80 : x - Step 2: Convert to fraction form
134,560.60/201,840.90 = 103,067.80/x - Step 3: Cross multiply
134,560.60x = 201,840.90 × 103,067.80 - Step 4: Simplify right side
134,560.60x = 20,803,297,513.02 - Step 5: Solve for x
x = 20,803,297,513.02/134,560.60 - Step 6: Final answer
x = 154,601.70
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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.