Finding the Fourth Proportional to 110,379.84, 152,311.68 and 62,620.80
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Solution
The fourth proportional to 110,379.84, 152,311.68 and 62,620.80 is: 86,409.61
Step by Step Solution
- Step 1: Write the proportion equation
110,379.84 : 152,311.68 = 62,620.80 : x - Step 2: Convert to fraction form
110,379.84/152,311.68 = 62,620.80/x - Step 3: Cross multiply
110,379.84x = 152,311.68 × 62,620.80 - Step 4: Simplify right side
110,379.84x = 9,537,879,250.94 - Step 5: Solve for x
x = 9,537,879,250.94/110,379.84 - Step 6: Final answer
x = 86,409.61
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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.