Finding the Fourth Proportional to 215,746.19, 323,618.99 and 57,974.65
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Solution
The fourth proportional to 215,746.19, 323,618.99 and 57,974.65 is: 86,961.89
Step by Step Solution
- Step 1: Write the proportion equation
215,746.19 : 323,618.99 = 57,974.65 : x - Step 2: Convert to fraction form
215,746.19/323,618.99 = 57,974.65/x - Step 3: Cross multiply
215,746.19x = 323,618.99 × 57,974.65 - Step 4: Simplify right side
215,746.19x = 18,761,697,014.49 - Step 5: Solve for x
x = 18,761,697,014.49/215,746.19 - Step 6: Final answer
x = 86,961.89
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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.