Finding the Fourth Proportional to 239,456.95, 330,453.18 and 130,560.39
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Solution
The fourth proportional to 239,456.95, 330,453.18 and 130,560.39 is: 180,174.75
Step by Step Solution
- Step 1: Write the proportion equation
239,456.95 : 330,453.18 = 130,560.39 : x - Step 2: Convert to fraction form
239,456.95/330,453.18 = 130,560.39/x - Step 3: Cross multiply
239,456.95x = 330,453.18 × 130,560.39 - Step 4: Simplify right side
239,456.95x = 43,144,096,057.54 - Step 5: Solve for x
x = 43,144,096,057.54/239,456.95 - Step 6: Final answer
x = 180,174.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.