Finding the Fourth Proportional to 302,721.13, 417,753.21 and 166,751.92
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Solution
The fourth proportional to 302,721.13, 417,753.21 and 166,751.92 is: 230,116.58
Step by Step Solution
- Step 1: Write the proportion equation
302,721.13 : 417,753.21 = 166,751.92 : x - Step 2: Convert to fraction form
302,721.13/417,753.21 = 166,751.92/x - Step 3: Cross multiply
302,721.13x = 417,753.21 × 166,751.92 - Step 4: Simplify right side
302,721.13x = 69,661,149,853.66 - Step 5: Solve for x
x = 69,661,149,853.66/302,721.13 - Step 6: Final answer
x = 230,116.58
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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.