Finding the Fourth Proportional to 302,853.20, 417,955.70 and 166,886.91
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Solution
The fourth proportional to 302,853.20, 417,955.70 and 166,886.91 is: 230,314.02
Step by Step Solution
- Step 1: Write the proportion equation
302,853.20 : 417,955.70 = 166,886.91 : x - Step 2: Convert to fraction form
302,853.20/417,955.70 = 166,886.91/x - Step 3: Cross multiply
302,853.20x = 417,955.70 × 166,886.91 - Step 4: Simplify right side
302,853.20x = 69,751,335,707.10 - Step 5: Solve for x
x = 69,751,335,707.10/302,853.20 - Step 6: Final answer
x = 230,314.02
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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.