Finding the Fourth Proportional to 226,851.21, 340,276.80 and 69,079.68
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Solution
The fourth proportional to 226,851.21, 340,276.80 and 69,079.68 is: 103,619.52
Step by Step Solution
- Step 1: Write the proportion equation
226,851.21 : 340,276.80 = 69,079.68 : x - Step 2: Convert to fraction form
226,851.21/340,276.80 = 69,079.68/x - Step 3: Cross multiply
226,851.21x = 340,276.80 × 69,079.68 - Step 4: Simplify right side
226,851.21x = 23,506,212,455.42 - Step 5: Solve for x
x = 23,506,212,455.42/226,851.21 - Step 6: Final answer
x = 103,619.52
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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.