Finding the Fourth Proportional to 134,415.76, 201,565.26 and 40,899.64
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Solution
The fourth proportional to 134,415.76, 201,565.26 and 40,899.64 is: 61,331.70
Step by Step Solution
- Step 1: Write the proportion equation
134,415.76 : 201,565.26 = 40,899.64 : x - Step 2: Convert to fraction form
134,415.76/201,565.26 = 40,899.64/x - Step 3: Cross multiply
134,415.76x = 201,565.26 × 40,899.64 - Step 4: Simplify right side
134,415.76x = 8,243,946,570.51 - Step 5: Solve for x
x = 8,243,946,570.51/134,415.76 - Step 6: Final answer
x = 61,331.70
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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.