Finding the Fourth Proportional to 134,458.75, 201,688.14 and 40,964.50
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Solution
The fourth proportional to 134,458.75, 201,688.14 and 40,964.50 is: 61,446.75
Step by Step Solution
- Step 1: Write the proportion equation
134,458.75 : 201,688.14 = 40,964.50 : x - Step 2: Convert to fraction form
134,458.75/201,688.14 = 40,964.50/x - Step 3: Cross multiply
134,458.75x = 201,688.14 × 40,964.50 - Step 4: Simplify right side
134,458.75x = 8,262,053,811.03 - Step 5: Solve for x
x = 8,262,053,811.03/134,458.75 - Step 6: Final answer
x = 61,446.75
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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.