Finding the Fourth Proportional to 479,703.63, 718,768.11 and 163,988.31
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Solution
The fourth proportional to 479,703.63, 718,768.11 and 163,988.31 is: 245,713.31
Step by Step Solution
- Step 1: Write the proportion equation
479,703.63 : 718,768.11 = 163,988.31 : x - Step 2: Convert to fraction form
479,703.63/718,768.11 = 163,988.31/x - Step 3: Cross multiply
479,703.63x = 718,768.11 × 163,988.31 - Step 4: Simplify right side
479,703.63x = 117,869,567,640.79 - Step 5: Solve for x
x = 117,869,567,640.79/479,703.63 - Step 6: Final answer
x = 245,713.31
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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.