Finding the Fourth Proportional to 260,116.22, 389,193.23 and 153,558.14
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Solution
The fourth proportional to 260,116.22, 389,193.23 and 153,558.14 is: 229,758.02
Step by Step Solution
- Step 1: Write the proportion equation
260,116.22 : 389,193.23 = 153,558.14 : x - Step 2: Convert to fraction form
260,116.22/389,193.23 = 153,558.14/x - Step 3: Cross multiply
260,116.22x = 389,193.23 × 153,558.14 - Step 4: Simplify right side
260,116.22x = 59,763,785,785.64 - Step 5: Solve for x
x = 59,763,785,785.64/260,116.22 - Step 6: Final answer
x = 229,758.02
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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.