Finding the Fourth Proportional to 134,490.12, 201,767.58 and 40,990.12
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Solution
The fourth proportional to 134,490.12, 201,767.58 and 40,990.12 is: 61,495.05
Step by Step Solution
- Step 1: Write the proportion equation
134,490.12 : 201,767.58 = 40,990.12 : x - Step 2: Convert to fraction form
134,490.12/201,767.58 = 40,990.12/x - Step 3: Cross multiply
134,490.12x = 201,767.58 × 40,990.12 - Step 4: Simplify right side
134,490.12x = 8,270,477,316.31 - Step 5: Solve for x
x = 8,270,477,316.31/134,490.12 - Step 6: Final answer
x = 61,495.05
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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.