Finding the Fourth Proportional to 102,572.36, 153,800.82 and 70,589.00
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Solution
The fourth proportional to 102,572.36, 153,800.82 and 70,589.00 is: 105,843.78
Step by Step Solution
- Step 1: Write the proportion equation
102,572.36 : 153,800.82 = 70,589.00 : x - Step 2: Convert to fraction form
102,572.36/153,800.82 = 70,589.00/x - Step 3: Cross multiply
102,572.36x = 153,800.82 × 70,589.00 - Step 4: Simplify right side
102,572.36x = 10,856,645,313.98 - Step 5: Solve for x
x = 10,856,645,313.98/102,572.36 - Step 6: Final answer
x = 105,843.78
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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.