Finding the Fourth Proportional to 101,570.74, 152,313.99 and 38,379.94
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Solution
The fourth proportional to 101,570.74, 152,313.99 and 38,379.94 is: 57,553.99
Step by Step Solution
- Step 1: Write the proportion equation
101,570.74 : 152,313.99 = 38,379.94 : x - Step 2: Convert to fraction form
101,570.74/152,313.99 = 38,379.94/x - Step 3: Cross multiply
101,570.74x = 152,313.99 × 38,379.94 - Step 4: Simplify right side
101,570.74x = 5,845,801,797.36 - Step 5: Solve for x
x = 5,845,801,797.36/101,570.74 - Step 6: Final answer
x = 57,553.99
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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.