Finding the Fourth Proportional to 143,253.03, 214,879.26 and 38,071.99
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Solution
The fourth proportional to 143,253.03, 214,879.26 and 38,071.99 is: 57,107.91
Step by Step Solution
- Step 1: Write the proportion equation
143,253.03 : 214,879.26 = 38,071.99 : x - Step 2: Convert to fraction form
143,253.03/214,879.26 = 38,071.99/x - Step 3: Cross multiply
143,253.03x = 214,879.26 × 38,071.99 - Step 4: Simplify right side
143,253.03x = 8,180,881,037.93 - Step 5: Solve for x
x = 8,180,881,037.93/143,253.03 - Step 6: Final answer
x = 57,107.91
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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.