Finding the Fourth Proportional to 105,419.52, 158,150.45 and 38,859.99
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Solution
The fourth proportional to 105,419.52, 158,150.45 and 38,859.99 is: 58,297.79
Step by Step Solution
- Step 1: Write the proportion equation
105,419.52 : 158,150.45 = 38,859.99 : x - Step 2: Convert to fraction form
105,419.52/158,150.45 = 38,859.99/x - Step 3: Cross multiply
105,419.52x = 158,150.45 × 38,859.99 - Step 4: Simplify right side
105,419.52x = 6,145,724,711.20 - Step 5: Solve for x
x = 6,145,724,711.20/105,419.52 - Step 6: Final answer
x = 58,297.79
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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.