Finding the Fourth Proportional to 67,219.18, 100,842.60 and 56,202.84
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Solution
The fourth proportional to 67,219.18, 100,842.60 and 56,202.84 is: 84,315.82
Step by Step Solution
- Step 1: Write the proportion equation
67,219.18 : 100,842.60 = 56,202.84 : x - Step 2: Convert to fraction form
67,219.18/100,842.60 = 56,202.84/x - Step 3: Cross multiply
67,219.18x = 100,842.60 × 56,202.84 - Step 4: Simplify right side
67,219.18x = 5,667,640,512.98 - Step 5: Solve for x
x = 5,667,640,512.98/67,219.18 - Step 6: Final answer
x = 84,315.82
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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.