Finding the Fourth Proportional to 110,277.20, 165,415.80 and 57,702.80
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Solution
The fourth proportional to 110,277.20, 165,415.80 and 57,702.80 is: 86,554.20
Step by Step Solution
- Step 1: Write the proportion equation
110,277.20 : 165,415.80 = 57,702.80 : x - Step 2: Convert to fraction form
110,277.20/165,415.80 = 57,702.80/x - Step 3: Cross multiply
110,277.20x = 165,415.80 × 57,702.80 - Step 4: Simplify right side
110,277.20x = 9,544,954,824.24 - Step 5: Solve for x
x = 9,544,954,824.24/110,277.20 - Step 6: Final answer
x = 86,554.20
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1.5x scale
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.