Finding the Fourth Proportional to 219,640.03, 329,335.20 and 86,448.08
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Solution
The fourth proportional to 219,640.03, 329,335.20 and 86,448.08 is: 129,622.99
Step by Step Solution
- Step 1: Write the proportion equation
219,640.03 : 329,335.20 = 86,448.08 : x - Step 2: Convert to fraction form
219,640.03/329,335.20 = 86,448.08/x - Step 3: Cross multiply
219,640.03x = 329,335.20 × 86,448.08 - Step 4: Simplify right side
219,640.03x = 28,470,396,539.75 - Step 5: Solve for x
x = 28,470,396,539.75/219,640.03 - Step 6: Final answer
x = 129,622.99
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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.