Finding the Fourth Proportional to 102,292.80, 153,249.12 and 55,584.96
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Solution
The fourth proportional to 102,292.80, 153,249.12 and 55,584.96 is: 83,274.15
Step by Step Solution
- Step 1: Write the proportion equation
102,292.80 : 153,249.12 = 55,584.96 : x - Step 2: Convert to fraction form
102,292.80/153,249.12 = 55,584.96/x - Step 3: Cross multiply
102,292.80x = 153,249.12 × 55,584.96 - Step 4: Simplify right side
102,292.80x = 8,518,346,205.24 - Step 5: Solve for x
x = 8,518,346,205.24/102,292.80 - Step 6: Final answer
x = 83,274.15
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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.