Finding the Fourth Proportional to 201,721.65, 302,494.95 and 68,566.14
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Solution
The fourth proportional to 201,721.65, 302,494.95 and 68,566.14 is: 102,819.46
Step by Step Solution
- Step 1: Write the proportion equation
201,721.65 : 302,494.95 = 68,566.14 : x - Step 2: Convert to fraction form
201,721.65/302,494.95 = 68,566.14/x - Step 3: Cross multiply
201,721.65x = 302,494.95 × 68,566.14 - Step 4: Simplify right side
201,721.65x = 20,740,911,090.99 - Step 5: Solve for x
x = 20,740,911,090.99/201,721.65 - Step 6: Final answer
x = 102,819.46
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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.