Finding the Fourth Proportional to 230,652.88, 318,305.64 and 130,031.44
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Solution
The fourth proportional to 230,652.88, 318,305.64 and 130,031.44 is: 179,446.02
Step by Step Solution
- Step 1: Write the proportion equation
230,652.88 : 318,305.64 = 130,031.44 : x - Step 2: Convert to fraction form
230,652.88/318,305.64 = 130,031.44/x - Step 3: Cross multiply
230,652.88x = 318,305.64 × 130,031.44 - Step 4: Simplify right side
230,652.88x = 41,389,740,729.32 - Step 5: Solve for x
x = 41,389,740,729.32/230,652.88 - Step 6: Final answer
x = 179,446.02
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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.