Finding the Fourth Proportional to 78,228.35, 107,950.81 and 44,234.88
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Solution
The fourth proportional to 78,228.35, 107,950.81 and 44,234.88 is: 61,041.70
Step by Step Solution
- Step 1: Write the proportion equation
78,228.35 : 107,950.81 = 44,234.88 : x - Step 2: Convert to fraction form
78,228.35/107,950.81 = 44,234.88/x - Step 3: Cross multiply
78,228.35x = 107,950.81 × 44,234.88 - Step 4: Simplify right side
78,228.35x = 4,775,191,126.25 - Step 5: Solve for x
x = 4,775,191,126.25/78,228.35 - Step 6: Final answer
x = 61,041.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.