Finding the Fourth Proportional to 219,918.43, 329,855.77 and 101,588.06
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Solution
The fourth proportional to 219,918.43, 329,855.77 and 101,588.06 is: 152,371.99
Step by Step Solution
- Step 1: Write the proportion equation
219,918.43 : 329,855.77 = 101,588.06 : x - Step 2: Convert to fraction form
219,918.43/329,855.77 = 101,588.06/x - Step 3: Cross multiply
219,918.43x = 329,855.77 × 101,588.06 - Step 4: Simplify right side
219,918.43x = 33,509,407,754.11 - Step 5: Solve for x
x = 33,509,407,754.11/219,918.43 - Step 6: Final answer
x = 152,371.99
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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.