Finding the Fourth Proportional to 110,355.84, 165,476.64 and 54,170.88
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Solution
The fourth proportional to 110,355.84, 165,476.64 and 54,170.88 is: 81,228.28
Step by Step Solution
- Step 1: Write the proportion equation
110,355.84 : 165,476.64 = 54,170.88 : x - Step 2: Convert to fraction form
110,355.84/165,476.64 = 54,170.88/x - Step 3: Cross multiply
110,355.84x = 165,476.64 × 54,170.88 - Step 4: Simplify right side
110,355.84x = 8,964,015,208.24 - Step 5: Solve for x
x = 8,964,015,208.24/110,355.84 - Step 6: Final answer
x = 81,228.28
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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.