Finding the Fourth Proportional to 239,442.13, 359,164.99 and 106,286.59
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Solution
The fourth proportional to 239,442.13, 359,164.99 and 106,286.59 is: 159,430.68
Step by Step Solution
- Step 1: Write the proportion equation
239,442.13 : 359,164.99 = 106,286.59 : x - Step 2: Convert to fraction form
239,442.13/359,164.99 = 106,286.59/x - Step 3: Cross multiply
239,442.13x = 359,164.99 × 106,286.59 - Step 4: Simplify right side
239,442.13x = 38,174,419,972.94 - Step 5: Solve for x
x = 38,174,419,972.94/239,442.13 - Step 6: Final answer
x = 159,430.68
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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.