Finding the Fourth Proportional to 292,540.77, 438,811.16 and 102,956.49
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Solution
The fourth proportional to 292,540.77, 438,811.16 and 102,956.49 is: 154,434.74
Step by Step Solution
- Step 1: Write the proportion equation
292,540.77 : 438,811.16 = 102,956.49 : x - Step 2: Convert to fraction form
292,540.77/438,811.16 = 102,956.49/x - Step 3: Cross multiply
292,540.77x = 438,811.16 × 102,956.49 - Step 4: Simplify right side
292,540.77x = 45,178,456,291.65 - Step 5: Solve for x
x = 45,178,456,291.65/292,540.77 - Step 6: Final answer
x = 154,434.74
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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.