Finding the Fourth Proportional to 165,214.32, 247,821.84 and 40,555.68
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Solution
The fourth proportional to 165,214.32, 247,821.84 and 40,555.68 is: 60,833.61
Step by Step Solution
- Step 1: Write the proportion equation
165,214.32 : 247,821.84 = 40,555.68 : x - Step 2: Convert to fraction form
165,214.32/247,821.84 = 40,555.68/x - Step 3: Cross multiply
165,214.32x = 247,821.84 × 40,555.68 - Step 4: Simplify right side
165,214.32x = 10,050,583,240.05 - Step 5: Solve for x
x = 10,050,583,240.05/165,214.32 - Step 6: Final answer
x = 60,833.61
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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.