Finding the Fourth Proportional to 761,717.68, 1,142,736.36 and 229,277.68
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Solution
The fourth proportional to 761,717.68, 1,142,736.36 and 229,277.68 is: 343,964.63
Step by Step Solution
- Step 1: Write the proportion equation
761,717.68 : 1,142,736.36 = 229,277.68 : x - Step 2: Convert to fraction form
761,717.68/1,142,736.36 = 229,277.68/x - Step 3: Cross multiply
761,717.68x = 1,142,736.36 × 229,277.68 - Step 4: Simplify right side
761,717.68x = 262,003,941,472.45 - Step 5: Solve for x
x = 262,003,941,472.45/761,717.68 - Step 6: Final answer
x = 343,964.63
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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.