Finding the Fourth Proportional to 239,631.36, 359,434.08 and 73,419.84
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Solution
The fourth proportional to 239,631.36, 359,434.08 and 73,419.84 is: 110,125.79
Step by Step Solution
- Step 1: Write the proportion equation
239,631.36 : 359,434.08 = 73,419.84 : x - Step 2: Convert to fraction form
239,631.36/359,434.08 = 73,419.84/x - Step 3: Cross multiply
239,631.36x = 359,434.08 × 73,419.84 - Step 4: Simplify right side
239,631.36x = 26,389,592,644.15 - Step 5: Solve for x
x = 26,389,592,644.15/239,631.36 - Step 6: Final answer
x = 110,125.79
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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.