Finding the Fourth Proportional to 229,877.94, 344,368.58 and 129,735.21
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Solution
The fourth proportional to 229,877.94, 344,368.58 and 129,735.21 is: 194,349.79
Step by Step Solution
- Step 1: Write the proportion equation
229,877.94 : 344,368.58 = 129,735.21 : x - Step 2: Convert to fraction form
229,877.94/344,368.58 = 129,735.21/x - Step 3: Cross multiply
229,877.94x = 344,368.58 × 129,735.21 - Step 4: Simplify right side
229,877.94x = 44,676,730,043.70 - Step 5: Solve for x
x = 44,676,730,043.70/229,877.94 - Step 6: Final answer
x = 194,349.79
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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.