Finding the Fourth Proportional to 260,431.84, 390,705.92 and 110,676.88
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Solution
The fourth proportional to 260,431.84, 390,705.92 and 110,676.88 is: 166,040.04
Step by Step Solution
- Step 1: Write the proportion equation
260,431.84 : 390,705.92 = 110,676.88 : x - Step 2: Convert to fraction form
260,431.84/390,705.92 = 110,676.88/x - Step 3: Cross multiply
260,431.84x = 390,705.92 × 110,676.88 - Step 4: Simplify right side
260,431.84x = 43,242,112,223.13 - Step 5: Solve for x
x = 43,242,112,223.13/260,431.84 - Step 6: Final answer
x = 166,040.04
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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.