Finding the Fourth Proportional to 154,030.64, 230,520.26 and 129,098.84
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Solution
The fourth proportional to 154,030.64, 230,520.26 and 129,098.84 is: 193,207.65
Step by Step Solution
- Step 1: Write the proportion equation
154,030.64 : 230,520.26 = 129,098.84 : x - Step 2: Convert to fraction form
154,030.64/230,520.26 = 129,098.84/x - Step 3: Cross multiply
154,030.64x = 230,520.26 × 129,098.84 - Step 4: Simplify right side
154,030.64x = 29,759,896,364.40 - Step 5: Solve for x
x = 29,759,896,364.40/154,030.64 - Step 6: Final answer
x = 193,207.65
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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.