Finding the Fourth Proportional to 302,670.99, 417,679.88 and 189,556.11
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Solution
The fourth proportional to 302,670.99, 417,679.88 and 189,556.11 is: 261,583.62
Step by Step Solution
- Step 1: Write the proportion equation
302,670.99 : 417,679.88 = 189,556.11 : x - Step 2: Convert to fraction form
302,670.99/417,679.88 = 189,556.11/x - Step 3: Cross multiply
302,670.99x = 417,679.88 × 189,556.11 - Step 4: Simplify right side
302,670.99x = 79,173,772,330.29 - Step 5: Solve for x
x = 79,173,772,330.29/302,670.99 - Step 6: Final answer
x = 261,583.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.